Python standard libraries github pdf
Python standard libraries github pdf
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Python Standard Libraries
Python has a vast collection of libraries that make it easier to perform various tasks. These libraries are pre-built modules that can be easily imported and used in Python programs. Some of the most popular standard libraries in Python include:
math: This library provides mathematical functions such as sin, cos, tan, exp, log, etc. statistics: This library provides statistical functions like mean, median, mode, std dev, etc. random: This library provides random number generation capabilities. time: This library provides functions for working with time and dates, such as calculating the difference between two dates or formatting timestamps. re: This library provides regular expression matching operations. itertools: This library provides functions for working with iterators, such as looping over a sequence or generating permutations. functools: This library provides higher-order functions like map(), filter(), and reduce(). operator: This library provides functions that can be used to chain multiple operations together (like filtering, sorting, etc.).GitHub
GitHub is a web-based platform for version control and collaboration on software development projects. It's where many open-source projects are hosted, including Python libraries! Here are some of the key features of GitHub:
Version Control: GitHub uses Git, a popular version control system, to keep track of changes made to code. Repository: A repository (or "repo") is a place where you can store your project's files and collaborate with others. Commits: Commits are the building blocks of a repository. Each commit represents a snapshot of your code at a particular point in time. Push/Pull: Pushing commits to GitHub sends them from your local machine to the cloud, while pulling brings changes made by others into your local copy. Issues: Issues are used to track bugs or feature requests in your project.A PDF (Portable Document Format) is a file format that allows you to share documents with others, regardless of what device or operating system they're using. Here are some key features of PDFs:
Format: PDFs use a standardized format that's easy for computers and humans to read. Layout: PDFs preserve the layout and design of your document, including fonts, images, and formatting. Editing: PDFs can be edited using special software or online tools, allowing you to modify text, images, and other content. Sharing: PDFs are widely supported by most devices and platforms, making them easy to share with others.In summary, Python standard libraries provide a range of pre-built modules for tasks like math, statistics, random number generation, time manipulation, and more. GitHub is a platform for version control and collaboration on software development projects, offering features like repository management, commit tracking, pushing/pulling, and issue tracking. Finally, PDFs are file formats that allow you to share documents with others, preserving their layout and design.
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What are the Python standard libraries?
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The Python Standard Library is a collection of modules that come pre-installed with the Python interpreter, which makes it easier to write programs and scripts without having to download or install any additional packages. The standard library includes various modules that provide useful functionalities, utilities, and data structures. Here are some of the most popular and widely used standard libraries:
itertools: This module provides a variety of tools for working with iterators, such as looping through lists, sets, and other iterable objects. functools: functools contains various functions that can be used to manipulate higher-order functions (functions that take other functions as arguments or return functions) in Python. math: The math module provides mathematical operations and constants for tasks like calculating trigonometric values, logarithms, exponentials, and more. statistics: This module contains functions for performing common statistical calculations, such as calculating means, medians, modes, and standard deviations. random: The random module provides various tools for generating random numbers, including random integers, floats, and Boolean values. time and datetime: These modules allow you to work with dates, times, and time intervals. You can use them to calculate the difference between two times, convert dates from one format to another, or get the current date and time. re (regular expressions): The re module provides regular expression matching operations similar to those found in other programming languages.
Some other notable standard libraries include:
csv: This module helps you read and write CSV files. json: You can use the json module to convert JSON data (such as from a web service) into Python data structures, or vice versa. xml: The xml module provides tools for parsing and creating XML documents. http.client and urllib: These modules allow you to make HTTP requests and interact with URLs in your Python programs. shutil: This module provides a variety of functions that can help you perform common file operations, such as copying files, moving directories, and more.
These are just a few examples of the many standard libraries that come bundled with Python. You can explore the full list of modules in the official Python documentation.
Remember, understanding the standard library is crucial for effective programming in Python. As you continue to learn, be sure to familiarize yourself with these powerful tools!
