Computer Programming I with Python What to do Open your IDLE and dev.pdf
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Computer Programming I with Python What to do: Open your IDLE and develop the following program. Practices: open a IDLe shell and do the following. Save your work as lab9_exercises.py and submit with your programs a. Create a list called "int listl that has 20 integers in it b. Create another lists called 'str list 1 " that have 5 names in it c. Print both lists d. Print both list's size e. Print first and last elements of each list f. Write two loop (one for each list) to iterate through list and display lists content g. Create onther list of integers called 'int Is 2 ' add 5 integers to the list h. Print the list i. Create another list called chat_list, add some characters in it j. Print the list k. Create another list called str_Ist_2, add some string in it 1. diplay your list m. compate int_Istl with int_Ist 2. Display the list which had more elements in it n. Compare str_Istlwith str_Ist2 (see b and k ) if they are equal in size display their length o. compare str_lstl with char_Ist (see b and i). what happened?.
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In the rest of this lab, you will help build such a list class. The .pdf
In the rest of this lab, you will help build such a list class. The class definition is stored in
intlist.h - please study it to know its parts:
The public declarations show what a client program can do with an IntList object. Notice,
however, that the list node structure definition is in the private area. Clients can\'t directly use or
even refer to such nodes, but all that clients should care about are the values stored in these
nodes anyway! Also notice that every list object will have one node pointer, to point at the first
node in the list or at 0 if the list is empty.
Now look at intlist.cpp. All but sum, contains, max, average and insertFirst are already done.
You will implement those five methods in Step 4. The other parts are implemented at the bottom
of the file - do not change what is done.
An application file would create IntList objects and use them to solve problems. For this lab, our
application is just a testing program - testlist.cpp - and you should look at that file next. Two
IntList objects are created; then numbers read from the command line are appended to one of the
lists; and finally the methods are tested for each list.
You can use this Makefile to help you complile the program. If you store all four of these files in
the same directory, then you just type \"make\" (without the quotes) to compile them and create
the executable program.
Step 4: Implement five linked list functions
First: switch roles between pilot and navigator if you did not already do that. Always stay logged
into the original pilot\'s account.
You should be able to run the program now (assuming you compiled it in Step 3) - it requires
you to enter a starter list of integers on the command line:
Next time we\'ll run it properly. The contains method is checked for three values that ought to be
in the list, plus one value that should not (the sum). Here is a sample run with initial values of 5,
7, 9 and 11:
See that append, print and count all work. But the others need to be fixed.
Use an editor (e.g., emacs) to make the following changes to intlist.cpp - do not change any of
the other files.
Fix the comment at the top to show your name(s) and the date.
Implement the sum method. See the count method for guidance.
Save, and then test your sum implementation - compile and execute testlist again. Verify sum is
working before going on.
Then implement the contains method, save again and test again.
Continue with the other three functions in the same way: implement and test one at time.
Here are correct results for the same sample data as above:
FILES:
Solution
#include \"IntList.h\"
#include
using std::cout;
// return sum of values in list
int IntList::sum() const {
int result = 0;
Node *n = first;
while (n) {
result+= n->info;
n = n->next;
}
return result;
}
// returns true if value is in the list; false if not
bool IntList::contains(int value) const {
Node *n = first;
while (n) {
if(n->info == value) return true;
n = n->next;
}
return false; // REPLACE TH.
Python PRACTICAL NO 6 for your Assignment.pptx
The document discusses various operations that can be performed on lists in Python. It includes:
1. Creating a list, accessing list items using indexes, adding and removing items to update lists, and deleting lists.
2. Examples of built-in list methods like sort(), count(), pop(), and operations like concatenation using +.
3. Justifications for lists being mutable - that list items can be changed in place and accessed using indexes.
It then provides examples of Python programs to: sum all items in a list, multiply all items, find the largest/smallest item, reverse a list, find common items between two lists, and select even items from a list.
1. Create a list 2. Add two numbers into the list by using append fun.pdf
1. Create a list 2. Add two numbers into the list by using append function 3. Display the list 4.
Add a name in to the list without using append function 5. Create anther list that have 10
numbers 6. Display the list 7. Display the number in index 5 8. Display last number in two
different ways 9. Change the item in index 5 10. Display the number in index 5 (is the number
same as you have changed in previous exercise?) 11. Create two empty list 12. Add numbers to
each list 13. Create another list by concatenating two lists you have created in the previous step
14. Display all lists you have created in step 12 and 13 15. Create an empty list 16. Add word
'python' into the list 17. Display the list you created in step 15 (what displayed ?) 18. Create a list
and add some numbers into the list, display the list by using a loop 19. Create three lists with
some numbers in them (make sure two lists have same numbers in it) Compare lists by using =,<,
and > operators 20. Use an empty list named characters and a+= augmented assignment
statement to convert the " birthday' into a list of characters.
Write a function called countElements that counts the number of times.pdf
Write a function called countElements that counts the number of times two elements appear in a
list. Your task is to ask the user to enter a list and two elements which they need to count in the
list. The list and each of the elements should be inputs to a function called countElements. The
function should print the count of the number of times the elements appear in the list. def
countElements(countUst, element1, element2): Example: if the inputs to the function were (\"t\",
\"s\", 7, 7, 2], \"t\", and 7, the function would count the instances of the letter T and the number 7
in the list, and print the number 3. There was one T and two 7\'s. Name your file
Lastname_Firstname.py
Solution
def countElements(list, ch1, ch2):
count = 0
for i in range(0,len(list)):
if list[i] == ch1:
count = count + 1
for i in range(0,len(list)):
if list[i] == ch2:
count = count + 1
return count;
print countElements([\"t\",\"s\",7,7,2], \"t\", 7)
Output:
sh-4.3$ python main.py
3.
Complete a C++ class implementation for a linked-list of sorted (asc.pdf
Complete a C++ class implementation for a linked-list of sorted (ascending) positive integers.
The class name for this class is LLSortedPosInt and its specification is outlined in the file
LLSortedPosInt.h. The specification is accompained by two other files: (1) a partial
implementation of the class in the file LLSortedPosInt.cpp and (2) a test program called
testLL.cpp. You are to complete the partial implementation of the class by writing code for the
stubbed member functions. You may NOT make any changes to the specification file. You may
develop and test your class implementation either under Visual Studio or linux; however, your
program must be executable under linux, because that is where it will be tested.
Details: Linked lists are useful data structures for storing data records, particularly in situations
where the items are to be kept sorted, the number of records are dynamic (i.e., changing during
the course of the program’s execution) and the maximum number is arbitrary. In this exercise,
you’ll get a chance to complete the implementation of a linked-list specification. In doing so,
you’ll learn not only how to manipulate pointer objects, but also begin to learn how to create a
new and useful data type.
To get started, I have written a simple linked list definition within the header file called
LLSortedPosInt.h. My definition is, of course, not the only way to define a linked list, but it is
suitable for our simple project. Accompanying the definition is a partial implementation in the
source file LLSortedPosInt.cpp. You are to edit this file using the comments in the file and the
instructions below. Altogether, this assignment asks you to implement 13 functions.
To help with testing your functions implementations, I have provided a main program. This main
program is in the source file testLL.cpp. One quick way to repeatedly exercise your function
tests is to write a test file (I called mine testCases.txt) and use input re-direction.
The 13 functions you must add to complete the implementation are as follows:
a. Constructors (4): Classes must have constructors to initialize instances of the objects. The
constructors you will implement for this project are
i. A default constructor
ii. A constructor taking a single int parameter
iii. A constructor which builds a list from an array of integers
iv. A copy constructor
b. Destructor (1): Because the class specification includes a pointer among the attributes, you
will need to implement a destructor to delete (i.e., free or release) any storage allocated in the
constructors or other member functions.
c. Boolean Functions (2): You are to implement two Boolean functions
i. A function isEmpty() which returns true if the associated list contains no data elements,
and returns false otherwise.
ii. A function containsElement(key) which returns true is key is an element in the list and
returns false otherwise.
d. Member Operator Functions (3): When a class has a pointer among its attributes, as
.
Provide the implementations and signatures for the following operati.pdf
Provide the implementations and signatures for the following operations (functions) for our
previous modeling of lists as Cartesians.
A. Length of a list (len function): This function returns the number of elements that a list
contains.
B. Index set of a list (inds function): The set of indices of the elements in the list, from 1 to and
including the length of the list. If the list is empty the index set is the empty set.
C. Element set (elems function): This function returns the set of distinct elements of the list. If
the list is empty then the element set is empty.
D. The list indexing operation l(i), where if the list is empty then the operation is undefined, i.e.
ends in the result chaos. Hint: As discussed in the class, a list can be modeled using Cartesians as
in the following.
Hint: As discussed in the class, a list can be modeled using Cartesians as in the following..
Implement the classes in the following UML1 Iist class .pdf
Implement the classes in the following UML:1. Iist class includes: 1) constructor List ( ) : Create an
empty list with a maximum length of 100. Hint: double [] list = new double [100]; 2) constructor List
(len: int) : Create an empty Lst with a user specified maximum length. Hint: double [] 1 ist = new
double [len]; 3) add (ele:int) ; add an element to the end of the list. 4) print: display the list 2. Stack
class includes: 1) two constructors : similar to the constructors in List 2) remove () : remove an
element at the end of the list and return this element 3. Queue class includes 1) two constructors :
similar to the constructors in List, 2) remove () : remove an element at the beginning of the list and
return this element. 4. Test program: main method conduct the following tasks: 1) creates a stack
and a queue with 10 random numbers using the add method. 2) display the stack and the queue.
3) Remove two elements from the stack and the queue. 4) display the two elements removed from
the stack 5) display the two elements removed from the queue 6) display stack and the queve.A
sample run of the TestProgram is below:.
M02 un05 p02
This document discusses different list types in HTML. It covers nested lists, which are lists within other lists, and definition lists, which are used to define terms. Nested lists can contain lists of the same or different types. Definition lists use the <DL>, <DT>, and <DD> tags, with <DT> for term and <DD> for definition. Hands-on examples and exercises are provided to help learners practice creating these lists.
Recommended
In the rest of this lab, you will help build such a list class. The .pdf
In the rest of this lab, you will help build such a list class. The class definition is stored in
intlist.h - please study it to know its parts:
The public declarations show what a client program can do with an IntList object. Notice,
however, that the list node structure definition is in the private area. Clients can\'t directly use or
even refer to such nodes, but all that clients should care about are the values stored in these
nodes anyway! Also notice that every list object will have one node pointer, to point at the first
node in the list or at 0 if the list is empty.
Now look at intlist.cpp. All but sum, contains, max, average and insertFirst are already done.
You will implement those five methods in Step 4. The other parts are implemented at the bottom
of the file - do not change what is done.
An application file would create IntList objects and use them to solve problems. For this lab, our
application is just a testing program - testlist.cpp - and you should look at that file next. Two
IntList objects are created; then numbers read from the command line are appended to one of the
lists; and finally the methods are tested for each list.
You can use this Makefile to help you complile the program. If you store all four of these files in
the same directory, then you just type \"make\" (without the quotes) to compile them and create
the executable program.
Step 4: Implement five linked list functions
First: switch roles between pilot and navigator if you did not already do that. Always stay logged
into the original pilot\'s account.
You should be able to run the program now (assuming you compiled it in Step 3) - it requires
you to enter a starter list of integers on the command line:
Next time we\'ll run it properly. The contains method is checked for three values that ought to be
in the list, plus one value that should not (the sum). Here is a sample run with initial values of 5,
7, 9 and 11:
See that append, print and count all work. But the others need to be fixed.
Use an editor (e.g., emacs) to make the following changes to intlist.cpp - do not change any of
the other files.
Fix the comment at the top to show your name(s) and the date.
Implement the sum method. See the count method for guidance.
Save, and then test your sum implementation - compile and execute testlist again. Verify sum is
working before going on.
Then implement the contains method, save again and test again.
Continue with the other three functions in the same way: implement and test one at time.
Here are correct results for the same sample data as above:
FILES:
Solution
#include \"IntList.h\"
#include
using std::cout;
// return sum of values in list
int IntList::sum() const {
int result = 0;
Node *n = first;
while (n) {
result+= n->info;
n = n->next;
}
return result;
}
// returns true if value is in the list; false if not
bool IntList::contains(int value) const {
Node *n = first;
while (n) {
if(n->info == value) return true;
n = n->next;
}
return false; // REPLACE TH.
Python PRACTICAL NO 6 for your Assignment.pptx
The document discusses various operations that can be performed on lists in Python. It includes:
1. Creating a list, accessing list items using indexes, adding and removing items to update lists, and deleting lists.
2. Examples of built-in list methods like sort(), count(), pop(), and operations like concatenation using +.
3. Justifications for lists being mutable - that list items can be changed in place and accessed using indexes.
It then provides examples of Python programs to: sum all items in a list, multiply all items, find the largest/smallest item, reverse a list, find common items between two lists, and select even items from a list.
1. Create a list 2. Add two numbers into the list by using append fun.pdf
1. Create a list 2. Add two numbers into the list by using append function 3. Display the list 4.
Add a name in to the list without using append function 5. Create anther list that have 10
numbers 6. Display the list 7. Display the number in index 5 8. Display last number in two
different ways 9. Change the item in index 5 10. Display the number in index 5 (is the number
same as you have changed in previous exercise?) 11. Create two empty list 12. Add numbers to
each list 13. Create another list by concatenating two lists you have created in the previous step
14. Display all lists you have created in step 12 and 13 15. Create an empty list 16. Add word
'python' into the list 17. Display the list you created in step 15 (what displayed ?) 18. Create a list
and add some numbers into the list, display the list by using a loop 19. Create three lists with
some numbers in them (make sure two lists have same numbers in it) Compare lists by using =,<,
and > operators 20. Use an empty list named characters and a+= augmented assignment
statement to convert the " birthday' into a list of characters.
Write a function called countElements that counts the number of times.pdf
Write a function called countElements that counts the number of times two elements appear in a
list. Your task is to ask the user to enter a list and two elements which they need to count in the
list. The list and each of the elements should be inputs to a function called countElements. The
function should print the count of the number of times the elements appear in the list. def
countElements(countUst, element1, element2): Example: if the inputs to the function were (\"t\",
\"s\", 7, 7, 2], \"t\", and 7, the function would count the instances of the letter T and the number 7
in the list, and print the number 3. There was one T and two 7\'s. Name your file
Lastname_Firstname.py
Solution
def countElements(list, ch1, ch2):
count = 0
for i in range(0,len(list)):
if list[i] == ch1:
count = count + 1
for i in range(0,len(list)):
if list[i] == ch2:
count = count + 1
return count;
print countElements([\"t\",\"s\",7,7,2], \"t\", 7)
Output:
sh-4.3$ python main.py
3.
Complete a C++ class implementation for a linked-list of sorted (asc.pdf
Complete a C++ class implementation for a linked-list of sorted (ascending) positive integers.
The class name for this class is LLSortedPosInt and its specification is outlined in the file
LLSortedPosInt.h. The specification is accompained by two other files: (1) a partial
implementation of the class in the file LLSortedPosInt.cpp and (2) a test program called
testLL.cpp. You are to complete the partial implementation of the class by writing code for the
stubbed member functions. You may NOT make any changes to the specification file. You may
develop and test your class implementation either under Visual Studio or linux; however, your
program must be executable under linux, because that is where it will be tested.
Details: Linked lists are useful data structures for storing data records, particularly in situations
where the items are to be kept sorted, the number of records are dynamic (i.e., changing during
the course of the program’s execution) and the maximum number is arbitrary. In this exercise,
you’ll get a chance to complete the implementation of a linked-list specification. In doing so,
you’ll learn not only how to manipulate pointer objects, but also begin to learn how to create a
new and useful data type.
To get started, I have written a simple linked list definition within the header file called
LLSortedPosInt.h. My definition is, of course, not the only way to define a linked list, but it is
suitable for our simple project. Accompanying the definition is a partial implementation in the
source file LLSortedPosInt.cpp. You are to edit this file using the comments in the file and the
instructions below. Altogether, this assignment asks you to implement 13 functions.
To help with testing your functions implementations, I have provided a main program. This main
program is in the source file testLL.cpp. One quick way to repeatedly exercise your function
tests is to write a test file (I called mine testCases.txt) and use input re-direction.
The 13 functions you must add to complete the implementation are as follows:
a. Constructors (4): Classes must have constructors to initialize instances of the objects. The
constructors you will implement for this project are
i. A default constructor
ii. A constructor taking a single int parameter
iii. A constructor which builds a list from an array of integers
iv. A copy constructor
b. Destructor (1): Because the class specification includes a pointer among the attributes, you
will need to implement a destructor to delete (i.e., free or release) any storage allocated in the
constructors or other member functions.
c. Boolean Functions (2): You are to implement two Boolean functions
i. A function isEmpty() which returns true if the associated list contains no data elements,
and returns false otherwise.
ii. A function containsElement(key) which returns true is key is an element in the list and
returns false otherwise.
d. Member Operator Functions (3): When a class has a pointer among its attributes, as
.
Provide the implementations and signatures for the following operati.pdf
Provide the implementations and signatures for the following operations (functions) for our
previous modeling of lists as Cartesians.
A. Length of a list (len function): This function returns the number of elements that a list
contains.
B. Index set of a list (inds function): The set of indices of the elements in the list, from 1 to and
including the length of the list. If the list is empty the index set is the empty set.
C. Element set (elems function): This function returns the set of distinct elements of the list. If
the list is empty then the element set is empty.
D. The list indexing operation l(i), where if the list is empty then the operation is undefined, i.e.
ends in the result chaos. Hint: As discussed in the class, a list can be modeled using Cartesians as
in the following.
Hint: As discussed in the class, a list can be modeled using Cartesians as in the following..
Implement the classes in the following UML1 Iist class .pdf
Implement the classes in the following UML:1. Iist class includes: 1) constructor List ( ) : Create an
empty list with a maximum length of 100. Hint: double [] list = new double [100]; 2) constructor List
(len: int) : Create an empty Lst with a user specified maximum length. Hint: double [] 1 ist = new
double [len]; 3) add (ele:int) ; add an element to the end of the list. 4) print: display the list 2. Stack
class includes: 1) two constructors : similar to the constructors in List 2) remove () : remove an
element at the end of the list and return this element 3. Queue class includes 1) two constructors :
similar to the constructors in List, 2) remove () : remove an element at the beginning of the list and
return this element. 4. Test program: main method conduct the following tasks: 1) creates a stack
and a queue with 10 random numbers using the add method. 2) display the stack and the queue.
3) Remove two elements from the stack and the queue. 4) display the two elements removed from
the stack 5) display the two elements removed from the queue 6) display stack and the queve.A
sample run of the TestProgram is below:.
M02 un05 p02
This document discusses different list types in HTML. It covers nested lists, which are lists within other lists, and definition lists, which are used to define terms. Nested lists can contain lists of the same or different types. Definition lists use the <DL>, <DT>, and <DD> tags, with <DT> for term and <DD> for definition. Hands-on examples and exercises are provided to help learners practice creating these lists.
Project06.pdf
This document provides an overview of Programming Project #6, which involves analyzing Billboard's top 100 songs lists from CSV files. Students must write a Python program with functions to open the CSV file, read the data into a master list, and perform sorting/filtering tasks on the data. The program will prompt the user to select options like displaying Christmas songs, sorting by peak rank, and calculating song scores. The project is worth 50 points and is due by February 28, 2022.
Python Basics
This document provides an introduction to the Python programming language. It covers Python's background, syntax, types, operators, control flow, functions, classes, tools, and IDEs. Key points include that Python is a multi-purpose, object-oriented language that is interpreted, strongly and dynamically typed. It focuses on readability and has a huge library of modules. Popular Python IDEs include Emacs, Vim, Komodo, PyCharm, and Eclipse.
2. numanalysis.py ( 30 points) A) Write a program that asks user to e.pdf
2. numanalysis.py ( 30 points) A) Write a program that asks user to enter a series of 8 different
numbers. The program should store the numbers in a list, then display the following data. 1. The
list contents 2. The lowest number in the list 3. The highest number in the list 4. The total of the
numbers in the list 5. The average of the numbers in the list B) Convert the list created above to a
tuple. Print the contents of the tuple in reverse order - each element of the tuple on a separate
line. Hints: A) Define main (): Declare variables and initialize them Create an empty list Use the
for loop with the range function to loop 8 times. Prompt the User to enter the numbers from 1- 8.
Ex: Enter number 1 of 8 : Use append() function to populate the list Use min, max, sum,
functions to find the low, high and total number of the list. Ex: low =min( number_list) Print the
list contents Print Low, high , total and average numbers of the list. B) Use tuple() function on
the list to covert it to a tuple. Use slicing expression on the tuple with a step value of -1 to read
the contents in reverse order in a 'for' loop and print each ite
List: [\#, \#, \#, \#, \#, \#, \#, \#] Low: \#.\#\# High: \#.\#\# Total: \#.\#\# Average: \#.\#\# Tuple:
(\#, \#, \#, \#, \#, \#, \#, \#) Tuple contents printed in reverse order: (8 items printed one after
anther).
ECE 263264 Fall 2016 Final Project .docx
ECE 263/264 Fall 2016
Final Project
Due Date – Sunday, December 11, 2016, 11:59pm
This semester’s final project involves implementing a simple Hospital Patient Management System that
will allow the user to read, store, and manipulate patient data through a friendly text‐based interface.
During execution, the program stores all patient data in a linked list, and upon termination this data is
automatically writes/saves into a text file. Note that this project requires knowledge of some material
from Chapters 12, 13, and 17, which will be covered during the week of Nov. 28.
1) OVERVIEW OF THE PROJECT
You will be provided with the following 6 files that contain the initial source code for this project:
proj_main.c, structs.h, proj1.c, proj1.h, proj2.c and proj2.h. You will need all 6 of these files to build the
program for this project (See Section 2).
Below is a detailed description of the contents of each of each file.
‐ File proj_main.c contains the “main” function.
‐ File structs.h contains all the structure definitions for the project.
‐ File proj1.c contains empty/shell function definitions, which you will need to fill in with
appropriate code, according to the function description given below.
‐ File proj1.h contains prototypes for the functions defined in proj1.c
‐ File proj2.c contains function definitions that have already been implemented.
‐ File proj2.h contains prototypes for the functions defined in proj2.c.
When the program is executed, it repeatedly displays a menu asking the user to enter a command. Each
item in the menu corresponds to a specific operation on patient data, and each operation is performed
by calling one of the functions that you will be implementing (see Section 6). The menu items are:
D Display List
A Add patient
R Remove patient
U Update patient checkup history
C Show patient checkup history
S Sort list either by patient name or by ward number
Q Terminate program
2) YOUR TASK AND WHAT YOU NEED TO SUBMIT
Your main task in this project is to complete the function definitions in proj1.c as described in Section 6.
You must not change any of the other 5 files.
You may only submit file proj1.c.
3) HOW TO GET STARTED WITH THE PROJECT
1. Download the above mentioned 6 files from Canvas.
2. Create a new solution in Visual studio, add all files to the solution.
3. Build the solution then run the program. The program should run correctly but does not do
anything useful; specifically, nothing is displayed on the screen when you select any menu item.
4. Read the project description carefully, and try to understand which functions are called for each
menu item and what each function is supposed to do.
5. You may want to start by implementing function displayList. It is conceptually simple and will
test your basic understanding of linked lists.
6. You will notice that when you initially ...
Lab exam 5_5_15
The document describes a Java class called Bill that stores information about bills. The Bill class contains private attributes for item number, quantity, item price, and amount. It contains methods readInfo() to initialize item attributes from user input and calculateAmount() to calculate the total amount from quantity and item price. Another class TestClass is described to create Bill objects and test the Bill class methods.
Implement the following classes in the UML- 1- Iist class includes- co.pdf
Implement the following classes in the UML: 1. Iist class includes: constructor Iist (] ) Create an
empty list with a maximum length of 100 . Hint: double [] 1 ist = new double [ 100 ] ;
constructor Zist (lent int) : Create a List with a user specified maximum length. Hint: double []
1ist: new double [1en]; add: add a new element to the end of the unsorted list. print: display the
list 2. Sortedriat class inciudes two constructors : similar to the constructors in Uist, add: add a
new element into the ascending sorted list. 3. FeatProgram: main method creates a genera list
(unsorted) and a sorted list with random numbers using add methods; display the unsorted and
sorted lists. List -list: double [] -length: int + List() + List(len: int) + add(ele: double) : void +
getlist(): double[] + getlength(): int + setLength(int len): void + setList(double[] list):void +
print(): void + Sortedlist() + SortedList(len: int) + main(args: String [1): void tadd(ele: double) :
void.
solution-of-practicals-class-xii-comp.-sci.-083-2021-22 (1).pdf
The document provides source code solutions to 21 programming problems or practical exercises in Python. For each problem, it lists the objective, provides the source code, and displays sample output. The problems cover topics like checking if a number is prime, palindrome, sorting algorithms, file handling, object-oriented programming concepts like classes and methods, and more. It is a practical file with Python code and solutions for Class 12 Computer Science students.
Looping in PythonLab8 lecture slides.pptx
This document provides instructions for writing two Python programs - Vowels.py and NumberProperties.py. Vowels.py asks the user to input a string and prints each character on a new line, then counts and prints the number of lowercase vowels. NumberProperties.py uses a while loop to input multiple numbers, calculates their average, minimum, maximum and range, and prints the results. It provides pseudo-code and explanations of the algorithms and control structures needed to solve the problems.
Lists can contain other lists as elements. For example the list HAIR.pdf
The document describes a "multilevel" list called HAIRY that contains other lists as elements. It presents a problem to write a function called flatten that takes a possibly multi-level list as an argument and returns a new single-level list containing the same elements in the same overall order. The function is demonstrated by flattening HAIRY into a single list of its elements.
Consider regression though the origin (i.e., straight line regression.pdf
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Consider four populations of island iguanas. Each island has a differ.pdf
Consider four populations of island iguanas. Each island has a different carrying capacity (K),
and the iguanas are subject to demographic and environmental stochasticity. Which population is
MOST likely to go extinct? island 1,K=100 island 2,K=300 island 3,K=900 island 4,K=1,200
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Consider a town in which only two residents, Edison and Hilary, own w.pdf
Consider a town in which only two residents, Edison and Hilary, own wells that produce water
safe for drinking. Edison and Hilary can pump and sell as much water as they want at no cost.
For them, total revenue equals profit. The following table shows the town's demand schedule for
water. Suppose Edison and Hilary form a cartel and behave as a monopolist. The profit-
maximizing price is per gallon, and the total output is gallons. As part of their cartel agreement,
Edison and Hilary agree to split production equally. Therefore, Edison's profit is and Hilary's
profit is
Suppose Edison and Hilary form a cartel and behave as a monopolist. The profit-maximizing
price is per gallon, and the total output is gallons. As part of their cartel agreement, Edison and
Hilary agree to split production equally. Therefore, Edison's profit is and Hilary's profit is
Suppose that Edison and Hilary have been successfully operating as a cartel. They each charge
the monopoly price and sell half of the monopoly quantity. Then one night before going to sleep,
Edison says to himself, "Hilary and I aren't the best of friends anyway. If I increase my
production by 35 gallons, I can increase my profit even though her profit goes down. I will do
that starting tomorrow." After Edison implements his new plan, the price of water to per gallon.
Given Hilary and Edison's production levels, Edison's profit becomes and Hilary's profit
becomes Because Edison has deviated from the cartel agreement and increased his output of
water by 35 gallons, Hilary decides that she will also increase her production by 35 gallons.
After Hilary increases her production, Edison's profit becomes , Hilary's profit becomes , and
total profit (the sum of the profits of Edison and Hilary) is now Note that Edison and Hilary
started by behaving cooperatively. However, once Edison decided to cheat, Hilary decided to
cheat as well. In other words, Hilary's output decisions are based on Edison's actions. This
behavior is an example of.
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about firm prospects that outside investors do not have. Suppose that a firm unexpectedly
announces an equity issue. On announcement, the firm's share price should increase because
equity is the most information sensitive security, and hence an equity issue is a positive signal
about the firm. True False.
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Y=5X1+4X3+8. Find the variance of Y..
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Consider a random variable X with cumulative distribution function (CDF)
F(x)={1ex2/2,0,x0otherwise (a) Find the density function of X. (b) Derive the mean of X. Hint:
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Consider a game between four players, Boromir, Frodo, Gimli and Legolas. They have met to
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"Lord of the Rings". The game is one in which all players simultaneously make a choice among
the four people. Only if they all agree - a unanimity voting rule is put in place - is someone
selected; otherwise, no one takes on this epic task. How many total pure strategy Nash equilibria
(symmetric and asymmetric) does this game have?.
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conociendo un biosensor �Con qu� procesos celulares se relacion.pdf
conociendo un biosensor
Con qu procesos celulares se relaciona la base y diseo de un biosensor?
Explicar cmo funciona el biosensor.
Qu se requiere para disear un biosensor? (sobre elementos genticos)
Cmo funciona el sistema reportero de este biosensor?
Qu otro gen podra sustituir al reportero utilizado en el artculo?
conociendo un biosensor
Con qu procesos celulares se relaciona la base y diseo de un biosensor?
Explicar cmo funciona el biosensor.
Qu se requiere para disear un biosensor? (sobre elementos genticos)
Cmo funciona el sistema reportero de este biosensor?
Qu otro gen podra sustituir al reportero utilizado en el artculo?.
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Conjugation, transduction, and transformation are important mechanisms in bacteria to promote
exchange of genetic material. The figure below shows the age of horizontally acquired genes in a
strain of E. coli where at least 755 genes [more than one-sixth of this strain's genomel have been
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Concert marketing GSUs Rialto Center for the Performing Arts wanted.pdf
Concert marketing: GSU's Rialto Center for the Performing Arts wanted to investigate why
ticket sales for the upcoming season significantly decreased from last year's sales. The marketing
staff collected data from a survey of community residents. Out of the so people surveyed, only 7
received the concert brochure in the mail. Which of the following is a reason that the marketing
staff should not calculate a confidence interval for the proportion of all community residents who
received the concert brochure by mail? Check all that apply. A. The sample needs to be random,
but we don't know if it is. B. The actual count of community residents who received the concert
brochure by mail is too small. C. OThe actual count of community residents who didn't receive
the concert brochure by mail is too small. D. np is notgreater than 10 E. n(1p^) is not greater than
10 ..
Conclusi�n para espectrofot�metro (Necesito una conclusi�n par.pdf
Conclusin para espectrofotmetro
(Necesito una conclusin para el espectrofotmetro)
INTRODUCCIN
El espectrofotmetro es un instrumento utilizado para medir los espectros de muestras y reas
microscpicas. Se utiliza para medir espectros NIR UV visibles de muestras microscpicas. Mide
la transmisin, la absorcin, la reflectancia, la polarizacin y la fluorescencia de una muestra
determinada. Est diseado como un microscopio ptico combinado con un espectrofotmetro NIR
UV visible. Mide un rango de muestras de hasta 1 x 1 micrmetro. Con la ayuda del software, se
pueden realizar medidas de mapeo 3D y calorimetra. Con esto es posible la medicin del espesor
de pelcula delgada de micropuntos sin contacto. Tiene una gran influencia en el campo de la
investigacin y la industria. Dado que tiene un gran rango espectral, los cientficos e ingenieros lo
utilizan para obtener espectros de reas de muestra extremadamente pequeas. Incluso funciona en
el campo donde la luz visible y el infrarrojo no funcionan. Por ejemplo, un cientfico forense o un
qumico lo usa para combinar fibras o pinturas de muestras microscpicas. Un gelogo puede usarlo
para la calificacin de gemas.
RESULTADO DE APRENDIZAJE
1. El funcionamiento mecnico bsico del espectrofotmetro secomam PRIM.
2. Los principios bsicos de la espectrofotometra, incluida la relacin/clculo del valor de
transmitancia (T) y absorbancia (A).
3. Identificar la absorbancia mxima (A max) de un compuesto y cmo se determina.
4.Comprender el uso del estndar de protenas.
METODOLOGIA
A.Determinar el espectro de absorbancia y la longitud de onda de mxima absorbancia El
instrumento que se utilizara en esta prctica es el Secomam PRIM.
1. El espectrofotmetro est encendido. calent el
mquina durante 15 minutos.
2. Se presion el botn Val para activarlo.
3. El botn de transmitancia ha sido seleccionado por el utilizado
del botn A
4. La longitud de onda se ha fijado en 375nm.
5. La cubeta se limpi y sec.
6. Se coloc la solucin en blanco y la cubeta en el portamuestras del espectrmetro.
7. Se presion el botn cero.
8. Se ha retirado la cubeta con la solucin en blanco.
9. Se limpi y sec otra cubeta.
10. La solucin estndar A se verti en la cubeta y la cubeta se coloc en el portamuestras del
espectrmetro.
11. La transmitancia se registra en el papel de resultados.
12. Se retir la cubeta con la solucin estndar A.
13. La longitud de onda se cambia a 425 nm
14. La cubeta con la solucin en blanco se coloc en el portamuestras del espectrofotmetro.
15. Se presion el botn cero.
16. Se retir la cubeta con la solucin en blanco.
17. La cubeta con la solucin estndar A se coloc en
portamuestras del espectrmetro.
18. La transmitancia se registra en el papel de resultados.
19. Se retir la cubeta con la solucin estndar A.
20. Paso 13 a paso 19 para diferentes longitudes de onda: 490, 530, 540, 550, 580, 625 y 700nm.
21. La absorbancia se calcul en papel de resultados.
22. El grfico de absorbancia y longitud de onda se registr en el papel de resultados.
B. Traz.
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Final Project
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RESULTADO DE APRENDIZAJE
1. El funcionamiento mecnico bsico del espectrofotmetro secomam PRIM.
2. Los principios bsicos de la espectrofotometra, incluida la relacin/clculo del valor de
transmitancia (T) y absorbancia (A).
3. Identificar la absorbancia mxima (A max) de un compuesto y cmo se determina.
4.Comprender el uso del estndar de protenas.
METODOLOGIA
A.Determinar el espectro de absorbancia y la longitud de onda de mxima absorbancia El
instrumento que se utilizara en esta prctica es el Secomam PRIM.
1. El espectrofotmetro est encendido. calent el
mquina durante 15 minutos.
2. Se presion el botn Val para activarlo.
3. El botn de transmitancia ha sido seleccionado por el utilizado
del botn A
4. La longitud de onda se ha fijado en 375nm.
5. La cubeta se limpi y sec.
6. Se coloc la solucin en blanco y la cubeta en el portamuestras del espectrmetro.
7. Se presion el botn cero.
8. Se ha retirado la cubeta con la solucin en blanco.
9. Se limpi y sec otra cubeta.
10. La solucin estndar A se verti en la cubeta y la cubeta se coloc en el portamuestras del
espectrmetro.
11. La transmitancia se registra en el papel de resultados.
12. Se retir la cubeta con la solucin estndar A.
13. La longitud de onda se cambia a 425 nm
14. La cubeta con la solucin en blanco se coloc en el portamuestras del espectrofotmetro.
15. Se presion el botn cero.
16. Se retir la cubeta con la solucin en blanco.
17. La cubeta con la solucin estndar A se coloc en
portamuestras del espectrmetro.
18. La transmitancia se registra en el papel de resultados.
19. Se retir la cubeta con la solucin estndar A.
20. Paso 13 a paso 19 para diferentes longitudes de onda: 490, 530, 540, 550, 580, 625 y 700nm.
21. La absorbancia se calcul en papel de resultados.
22. El grfico de absorbancia y longitud de onda se registr en el papel de resultados.
B. Traz.
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