METHODS DESCRIPTION
copy() They copy() method returns a shallow copy of the dictionary.
clear() The clear() method removes all items from the dictionary.
pop() Removes and returns an element from a dictionary having the given key.
popitem() Removes the arbitrary key-value pair from the dictionary and returns it as tuple.
get() It is a conventional method to access a value for a key.
dictionary_name.values() returns a list of all the values available in a given dictionary.
str() Produces a printable string representation of a dictionary.
update() Adds dictionary dict2’s key-values pairs to dict
setdefault() Set dict[key]=default if key is not already in dict
keys() Returns list of dictionary dict’s keys
items() Returns a list of dict’s (key, value) tuple pairs
has_key() Returns true if key in dictionary dict, false otherwise
fromkeys() Create a new dictionary with keys from seq and values set to value.
type() Returns the type of the passed variable.
cmp() Compares elements of both dict.
This presentation educates you about Python - Multithreaded
Programming, Starting a New Thread, The Threading Module, Creating Thread Using Threading Module, Synchronizing Threads and Multithreaded Priority Queue.
For more topics stay tuned with Learnbay.
METHODS DESCRIPTION
copy() They copy() method returns a shallow copy of the dictionary.
clear() The clear() method removes all items from the dictionary.
pop() Removes and returns an element from a dictionary having the given key.
popitem() Removes the arbitrary key-value pair from the dictionary and returns it as tuple.
get() It is a conventional method to access a value for a key.
dictionary_name.values() returns a list of all the values available in a given dictionary.
str() Produces a printable string representation of a dictionary.
update() Adds dictionary dict2’s key-values pairs to dict
setdefault() Set dict[key]=default if key is not already in dict
keys() Returns list of dictionary dict’s keys
items() Returns a list of dict’s (key, value) tuple pairs
has_key() Returns true if key in dictionary dict, false otherwise
fromkeys() Create a new dictionary with keys from seq and values set to value.
type() Returns the type of the passed variable.
cmp() Compares elements of both dict.
This presentation educates you about Python - Multithreaded
Programming, Starting a New Thread, The Threading Module, Creating Thread Using Threading Module, Synchronizing Threads and Multithreaded Priority Queue.
For more topics stay tuned with Learnbay.
In this core java training session, you will learn Collections - Maps. Topics covered in this session are:
• Collections – Maps
• Map Interface
• Map methods
• Mapuse
• Hashmap
• Treemap
• Utilities
For more information about this course visit on this link: https://www.mindsmapped.com/courses/software-development/learn-java-fundamentals-hands-on-training-on-core-java-concepts/
YouTube Link: https://youtu.be/QswQA1lRIQY
** Python Certification Training: https://www.edureka.co/python **
This Edureka PPT on 'Collections In Python' will cover the concepts of Collection data type in python along with the collections module and specialized collection data structures like counter, chainmap, deque etc. Following are the topics discussed:
What Are Collections In Python?
What Is A Collection Module In Python?
Specialized Collection Data Structures
Follow us to never miss an update in the future.
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Regular expressions are used to identify whether a pattern exists in a given sequence of characters (string) or not. They help in manipulating textual data, which is often a pre-requisite for data science projects that involve text mining. You must have come across some application of regular expressions: they are used at the server side to validate the format of email addresses or password during registration, used for parsing text data files to find, replace or delete certain string, etc.
YouTube Link: https://youtu.be/giJimUEkI7U
**Java, J2EE & SOA Certification Training - https://www.edureka.co/java-j2ee-training-course **
This Edureka PPT will provide you with detailed knowledge about Linked Lists in Java and along with it, This PPT will also cover some examples of Linked Lists in Java, in order to provide you with a deep understanding of their functionality. This PPT will cover the following topics:
What is a Linked List?
Types of Linked Lists
Features of Linked Lists
Methods in Linked Lists
Array v/s Linked List
Complete Java Playlist: http://bit.ly/2XcYNH5
Complete Blog Series: http://bit.ly/2YoabkT
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Castbox: https://castbox.fm/networks/505?country=in
This presentation is all about various built in
datastructures which we have in python.
List
Dictionary
Tuple
Set
and various methods present in each data structure
Arrays In Python | Python Array Operations | EdurekaEdureka!
** Python Certification Training: https://www.edureka.co/python **
This Edureka PPT on 'Arrays in Python' will help you establish a strong hold on all the fundamentals in the Python programming language. Below are the topics covered in this PPT:
What is an array?
Is python list same as an array?
How to create arrays in python?
Accessing array elements
Basic array operations
- Finding the length of an array
- Adding Elements
- Removing elements
- Array concatenation
- Slicing
- Looping
Python Tutorial Playlist: https://goo.gl/WsBpKe
Blog Series: http://bit.ly/2sqmP4s
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
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Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
In this core java training session, you will learn Collections - Maps. Topics covered in this session are:
• Collections – Maps
• Map Interface
• Map methods
• Mapuse
• Hashmap
• Treemap
• Utilities
For more information about this course visit on this link: https://www.mindsmapped.com/courses/software-development/learn-java-fundamentals-hands-on-training-on-core-java-concepts/
YouTube Link: https://youtu.be/QswQA1lRIQY
** Python Certification Training: https://www.edureka.co/python **
This Edureka PPT on 'Collections In Python' will cover the concepts of Collection data type in python along with the collections module and specialized collection data structures like counter, chainmap, deque etc. Following are the topics discussed:
What Are Collections In Python?
What Is A Collection Module In Python?
Specialized Collection Data Structures
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
Regular expressions are used to identify whether a pattern exists in a given sequence of characters (string) or not. They help in manipulating textual data, which is often a pre-requisite for data science projects that involve text mining. You must have come across some application of regular expressions: they are used at the server side to validate the format of email addresses or password during registration, used for parsing text data files to find, replace or delete certain string, etc.
YouTube Link: https://youtu.be/giJimUEkI7U
**Java, J2EE & SOA Certification Training - https://www.edureka.co/java-j2ee-training-course **
This Edureka PPT will provide you with detailed knowledge about Linked Lists in Java and along with it, This PPT will also cover some examples of Linked Lists in Java, in order to provide you with a deep understanding of their functionality. This PPT will cover the following topics:
What is a Linked List?
Types of Linked Lists
Features of Linked Lists
Methods in Linked Lists
Array v/s Linked List
Complete Java Playlist: http://bit.ly/2XcYNH5
Complete Blog Series: http://bit.ly/2YoabkT
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Castbox: https://castbox.fm/networks/505?country=in
This presentation is all about various built in
datastructures which we have in python.
List
Dictionary
Tuple
Set
and various methods present in each data structure
Arrays In Python | Python Array Operations | EdurekaEdureka!
** Python Certification Training: https://www.edureka.co/python **
This Edureka PPT on 'Arrays in Python' will help you establish a strong hold on all the fundamentals in the Python programming language. Below are the topics covered in this PPT:
What is an array?
Is python list same as an array?
How to create arrays in python?
Accessing array elements
Basic array operations
- Finding the length of an array
- Adding Elements
- Removing elements
- Array concatenation
- Slicing
- Looping
Python Tutorial Playlist: https://goo.gl/WsBpKe
Blog Series: http://bit.ly/2sqmP4s
Follow us to never miss an update in the future.
YouTube: https://www.youtube.com/user/edurekaIN
Instagram: https://www.instagram.com/edureka_learning/
Facebook: https://www.facebook.com/edurekaIN/
Twitter: https://twitter.com/edurekain
LinkedIn: https://www.linkedin.com/company/edureka
Explains what is a Set and Dictionary. Explains various operations on Set, Set class methods for manipulation and frozensets. Explains various Dictionary class methods and their usage, use of iterators in Dictionary and use of for loop in dictionary
در این جلسه به بررسی بحث برنامه نویسی شی گرا و کلاس ها در پایتون پرداختیم
PySec101 Fall 2013 J7E1 By Mohammad Reza Kamalifard
Talk About:
Object oriented programming and Classes in Python
good new report fun enjoyThe WiMAX (IEEE 802.16e) standard offers peak data rates of 128Mbps downlink and
56Mbps uplink over 20MHz wide channels whilst the new standard in development, 4G
WiMAN-Advanced (802.16m) is targeting the requirements to be fully 4G using 64Q QAM,
BPSK and MIMO technologies to reach the 1Gbps rate. It is predicted that in an actual
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channel, the 4G WiMAN-Advanced system will be able to support 120Mbps downlink and
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globally but research in 2010 gave results that showed only just over 350 set ups were actually
in use. Many previous WiMAX operators were found to have moved to LTE along with Yota,
who were the largest WiMAX operator in the world.
A for loop is probably the most common type of loop in Python. A for loop will select items from any iterable. In Python an iterable is any container (list, tuple, set, dictionary), as well as many other important objects such as generator function, generator expressions, the results of builtin functions such as filter, map, range and many other items.
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2. .orginfo@msbacademy.org
Dictionary
1. A dictionary is an object that stores a collection of data.
2. Each element in a dictionary has two parts: a key and a value.
3. You use a key to locate a specific value.
5. .orginfo@msbacademy.org
Test for a Value
Using the in and not in Operators to Test for a Value in Dictionary
Ex: msb_academy = {'students':'60', 'systems':'30', 'chairs':'90'}
if 'students‘ in msb_academy:
print(msb_academy['students'])
6. .orginfo@msbacademy.org
Adding Elements
Adding Elements to an Existing Dictionary
Ex:
msb_academy = {'students':'60', 'systems':'30', 'chairs':'90'}
msb_academy['courses'] = '20'
msb_academy['students'] = '50'
NOTE: You cannot have duplicate keys in a dictionary. When you
assign a value to an existing key, the new value replaces the
existing value.
10. .orginfo@msbacademy.org
Creating an Empty Dictionary
Sometimes you need to create an empty dictionary and then add
elements to it as the program executes. You can use an empty
set of curly braces to create an empty dictionary
11. .orginfo@msbacademy.org
Using the for loop to Iterate over
Using the for loop to Iterate over a Dictionary
You can use the for loop in the following general format to iterate
over all the keys in a dictionary
for var in dictionary:
statement
statement
etc.
14. .orginfo@msbacademy.org
Get method
You can use the get method as an alternative to the [ ]
operator for getting a value from a dictionary.
Syntax:
dictionary.get(key, default)
15. .orginfo@msbacademy.org
Items method
The items method returns all of a dictionary’s keys and their
associated values. They are returned as a special type of
sequence known as a dictionary view.
Syntax:
dictionary.items()
16. .orginfo@msbacademy.org
Keys method
The keys method returns all of a dictionary’s keys as a
dictionary view, which is a type of sequence. Each element in the
dictionary view is a key from the dictionary.
Syntax:
dictionary.key()
17. .orginfo@msbacademy.org
Pop method
The pop method returns the value associated with a
specified key and removes that key value pair from the dictionary.
If the key is not found, the method returns a default value
Syntax:
dictionary.pop(key, default)
18. .orginfo@msbacademy.org
Popitem method
The popitem method returns a randomly selected key-value
pair, and it removes that key value pair from the dictionary. The
key-value pair is returned as a tuple
Syntax: dictionary.popitem()
You can use an assignment statement in the following
general format to assign the returned key and value to individual
variables
Syntax: k, v = dictionary.popitem()
19. .orginfo@msbacademy.org
Set
A set is an object that stores a collection of data in the same way
as mathematical sets.
1. All the elements in a set must be unique. No two elements
can have the same value.
2. Sets are unordered, which means that the elements in a set
are not stored in any particular order.
3. The elements that are stored in a set can be of different data
types
22. .orginfo@msbacademy.org
Adding and Removing Elements
Sets are mutable objects, so you can add items to them
and remove items from them. You use the add method to add an
element to a set
23. .orginfo@msbacademy.org
Iterate over a Set
You can use the for loop in the following general format to iterate
over all the elements in a set:
for var in set:
statement
statement
etc.
24. .orginfo@msbacademy.org
Finding the Union of Sets
The union of two sets is a set that contains all the elements
of both sets. In Python, you can call the union method to get the
union of two sets
Syntax:
set1.union(set2)
25. .orginfo@msbacademy.org
Finding the Intersection of Sets
The intersection of two sets is a set that contains only the
elements that are found in both sets. In Python, you can call the
intersection method to get the intersection of two sets.
Syntax:
set1.intersection(set2)
26. .orginfo@msbacademy.org
Finding the Difference of Sets
The difference of set1 and set2 are the elements that
appear in set1 but do not appear in set2. In Python, you can call
the difference method to get the difference of two sets
Syntax:
set1.difference(set2)
27. .orginfo@msbacademy.org
Finding the Symmetric Difference of Sets
The symmetric difference of two sets is a set that contains
the elements that are not shared by the sets. In other words, it is
the elements that are in one set but not in both. In Python, you
can call the symmetric_difference method to get the symmetric
difference of two sets
Syntax:
set1.symmetric_difference(set2)
28. .orginfo@msbacademy.org
Finding Subsets and Supersets
Suppose you have two sets and one of those sets contains all of
the elements of the other set
Ex: set1 = set([1, 2, 3, 4])
set2 = set([2, 3])
set2.issubset(set1)
set1.issuperset(set2)