This document discusses strings in Python. It covers how strings are treated as a contiguous series of characters that can be indexed, sliced, concatenated, appended, and multiplied. It also discusses that strings are immutable in Python. Various string methods and functions are described, including formatting strings using the % operator. The document also covers regular expressions for string pattern matching and manipulation using the re module.
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Python Strings Format – Definition and Usage
Using curly brackets, we define the placeholder: {}. In the Placeholder section below, you can learn more about the placeholders.
Strings and numbers cannot be combined like this in Python Variables:
What Is The Format Of a String In Python?
When we talk about Python strings format then in Python, a string is a sequence of characters enclosed in either single quotes (‘ ‘) or double quotes (” “). The choice between single or double quotes is up to the programmer, and both are used interchangeably.
Here are a few examples of string literals in Python:
name = ‘John’ message = “Hello, world!” sentence = “I’m learning Python.”
Python also supports triple quotes (”’ ”’) or (“”” “””) to represent multiline strings. Triple quotes allow you to include line breaks and preserve the formatting of the text. Here’s an example:
paragraph = ”’This is a multiline string. It spans multiple lines and preserves the line breaks and formatting.”’
In addition to the basic string literals, Python provides various string manipulation methods and features that allow you to work with strings efficiently.
What Is .2f Python Format?
In Python, the .2f format specifier is used to format floating-point numbers as strings with two decimal places. This format specifier is part of the Python strings format syntax in Python.
When using the .2f format specifier, the number will be rounded to two decimal places and displayed with two digits after the decimal point. If the number has fewer than two decimal places, it will be padded with zeros.
Here’s an example that demonstrates the usage of the .2f format specifier:
number = 3.14159 formatted_number = “{:.2f}”.format(number) print(formatted_number)
Output:
3.14
In this example, the variable number contains the value 3.14159. By applying the .2f format specifier within the format() method and using the “{:.2f}” format string, the number is formatted to have two decimal places. The resulting formatted number is then printed, which outputs 3.14.
You can also achieve the same result using f-strings, which is a more concise and preferred way of string formatting in Python 3.6 and above:
number = 3.14159 formatted_number = f”{number:.2f}” print(formatted_number)
The output will be the same as before: 3.14.
What Is %d In String Format?
In Python, the %d format specifier is used to format integers as strings within the context of the old-style string formatting method. It allows you to insert integer values into a string when it comes to Python strings format.
Here’s an example that demonstrates the usage of %d in string formatting:
age = 25 message = “I am %d years old.” % age print(message)
Output:
I am 25 years old.
In this example, the integer value age is inserted into the string using %d. The % operator is used to combine the format string with the value to be formatted. The resulting string is then printed.
Note that the %d format specifier only works with integers.
Are you searching for C Language Training in Ambala? Noe tour search ends here.... Batra Computer Centre provides you the best training in C Language in Ambala. Btra Computer Centre offers you many other courses like Basic Computer Course, C& C++, SEO, Web Designing , Web Development and many more...
Python Strings Format – Definition and Usage
Using curly brackets, we define the placeholder: {}. In the Placeholder section below, you can learn more about the placeholders.
Strings and numbers cannot be combined like this in Python Variables:
What Is The Format Of a String In Python?
When we talk about Python strings format then in Python, a string is a sequence of characters enclosed in either single quotes (‘ ‘) or double quotes (” “). The choice between single or double quotes is up to the programmer, and both are used interchangeably.
Here are a few examples of string literals in Python:
name = ‘John’ message = “Hello, world!” sentence = “I’m learning Python.”
Python also supports triple quotes (”’ ”’) or (“”” “””) to represent multiline strings. Triple quotes allow you to include line breaks and preserve the formatting of the text. Here’s an example:
paragraph = ”’This is a multiline string. It spans multiple lines and preserves the line breaks and formatting.”’
In addition to the basic string literals, Python provides various string manipulation methods and features that allow you to work with strings efficiently.
What Is .2f Python Format?
In Python, the .2f format specifier is used to format floating-point numbers as strings with two decimal places. This format specifier is part of the Python strings format syntax in Python.
When using the .2f format specifier, the number will be rounded to two decimal places and displayed with two digits after the decimal point. If the number has fewer than two decimal places, it will be padded with zeros.
Here’s an example that demonstrates the usage of the .2f format specifier:
number = 3.14159 formatted_number = “{:.2f}”.format(number) print(formatted_number)
Output:
3.14
In this example, the variable number contains the value 3.14159. By applying the .2f format specifier within the format() method and using the “{:.2f}” format string, the number is formatted to have two decimal places. The resulting formatted number is then printed, which outputs 3.14.
You can also achieve the same result using f-strings, which is a more concise and preferred way of string formatting in Python 3.6 and above:
number = 3.14159 formatted_number = f”{number:.2f}” print(formatted_number)
The output will be the same as before: 3.14.
What Is %d In String Format?
In Python, the %d format specifier is used to format integers as strings within the context of the old-style string formatting method. It allows you to insert integer values into a string when it comes to Python strings format.
Here’s an example that demonstrates the usage of %d in string formatting:
age = 25 message = “I am %d years old.” % age print(message)
Output:
I am 25 years old.
In this example, the integer value age is inserted into the string using %d. The % operator is used to combine the format string with the value to be formatted. The resulting string is then printed.
Note that the %d format specifier only works with integers.
Metamaterial Devices and There descriptionjaychoudhary37
Metamaterial Devices:Metamaterials are artificial engineered composite structures that can be designed to exhibit specific electromagnetic properties not observed in the constituent materials and not commonly found in nature.
Online aptitude test management system project report.pdfKamal Acharya
The purpose of on-line aptitude test system is to take online test in an efficient manner and no time wasting for checking the paper. The main objective of on-line aptitude test system is to efficiently evaluate the candidate thoroughly through a fully automated system that not only saves lot of time but also gives fast results. For students they give papers according to their convenience and time and there is no need of using extra thing like paper, pen etc. This can be used in educational institutions as well as in corporate world. Can be used anywhere any time as it is a web based application (user Location doesn’t matter). No restriction that examiner has to be present when the candidate takes the test.
Every time when lecturers/professors need to conduct examinations they have to sit down think about the questions and then create a whole new set of questions for each and every exam. In some cases the professor may want to give an open book online exam that is the student can take the exam any time anywhere, but the student might have to answer the questions in a limited time period. The professor may want to change the sequence of questions for every student. The problem that a student has is whenever a date for the exam is declared the student has to take it and there is no way he can take it at some other time. This project will create an interface for the examiner to create and store questions in a repository. It will also create an interface for the student to take examinations at his convenience and the questions and/or exams may be timed. Thereby creating an application which can be used by examiners and examinee’s simultaneously.
Examination System is very useful for Teachers/Professors. As in the teaching profession, you are responsible for writing question papers. In the conventional method, you write the question paper on paper, keep question papers separate from answers and all this information you have to keep in a locker to avoid unauthorized access. Using the Examination System you can create a question paper and everything will be written to a single exam file in encrypted format. You can set the General and Administrator password to avoid unauthorized access to your question paper. Every time you start the examination, the program shuffles all the questions and selects them randomly from the database, which reduces the chances of memorizing the questions.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
NUMERICAL SIMULATIONS OF HEAT AND MASS TRANSFER IN CONDENSING HEAT EXCHANGERS...ssuser7dcef0
Power plants release a large amount of water vapor into the
atmosphere through the stack. The flue gas can be a potential
source for obtaining much needed cooling water for a power
plant. If a power plant could recover and reuse a portion of this
moisture, it could reduce its total cooling water intake
requirement. One of the most practical way to recover water
from flue gas is to use a condensing heat exchanger. The power
plant could also recover latent heat due to condensation as well
as sensible heat due to lowering the flue gas exit temperature.
Additionally, harmful acids released from the stack can be
reduced in a condensing heat exchanger by acid condensation. reduced in a condensing heat exchanger by acid condensation.
Condensation of vapors in flue gas is a complicated
phenomenon since heat and mass transfer of water vapor and
various acids simultaneously occur in the presence of noncondensable
gases such as nitrogen and oxygen. Design of a
condenser depends on the knowledge and understanding of the
heat and mass transfer processes. A computer program for
numerical simulations of water (H2O) and sulfuric acid (H2SO4)
condensation in a flue gas condensing heat exchanger was
developed using MATLAB. Governing equations based on
mass and energy balances for the system were derived to
predict variables such as flue gas exit temperature, cooling
water outlet temperature, mole fraction and condensation rates
of water and sulfuric acid vapors. The equations were solved
using an iterative solution technique with calculations of heat
and mass transfer coefficients and physical properties.
Harnessing WebAssembly for Real-time Stateless Streaming PipelinesChristina Lin
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
KuberTENes Birthday Bash Guadalajara - K8sGPT first impressionsVictor Morales
K8sGPT is a tool that analyzes and diagnoses Kubernetes clusters. This presentation was used to share the requirements and dependencies to deploy K8sGPT in a local environment.