Outline of the Python programming language

Short description: Overview of and topical guide to Python

Software development

Core activities

* Processes
* Requirements
* Design
* Engineering
* Construction
* Testing
* Debugging
* Deployment
* Maintenance

Paradigms and models

* Agile
* Cleanroom
* Incremental
* Prototyping
* Spiral
* V model
* Waterfall

Methodologies and frameworks

* ASD
* DevOps
* DAD
* DSDM
* FDD
* IID
* Kanban
* Lean SD
* LeSS
* MDD
* MSF
* PSP
* RAD
* RUP
* SAFe
* Scrum
* SEMAT
* TSP
* UP
* XP

Supporting disciplines

* Configuration management
* Documentation
* Software quality assurance (SQA)
* Project management
* User experience

Practices

* ATDD
* BDD
* CCO
* CI
* CD
* DDD
* PP
* SBE
* Stand-up
* TDD

Tools

* Compiler
* Debugger
* Profiler
* GUI designer
* Modeling
* IDE
* Build automation
* Release automation
* Infrastructure as code
* Testing

Standards and Bodies of Knowledge

* BABOK
* CMMI
* IEEE standards
* ISO 9001
* ISO/IEC standards
* PMBOK
* SWEBOK
* ITIL

Glossaries

* Artificial intelligence
* Computer science
* Electrical and electronics engineering

* v
* t
* e

The following outline is provided as an overview of and topical guide to Python:

Python is a general-purpose, interpreted, object-oriented, functional, multi-paradigm, and dynamically typed programming language known for its emphasis on code readability

and broad standard library. Python was created by Guido van Rossum and first released in 1991. It emphasizes code readability and developer productivity.[1][2][3]

## Contents

* 1 What type of language is Python?
* 2 History of Python
* 3 General Python concepts
* 4 Issues and limitations
* 5 Python implementations
* 6 Python toolchain
* 7 Notable projects using Python
* 8 Python development communities
* 9 Example source code
* 10 Python publications
* 10.1 Books about Python
* 10.2 Textbooks
* 11 Python programmers
* 12 Python conferences
* 13 Python learning resources
* 13.1 Competitive programming
* 14 See also
* 15 External links
* 16 References

## What type of language is Python?

* Programming language — artificial language designed to communicate instructions to a machine.
* Object-oriented programming — built primarily around objects and classes.
* Functional programming — supports functions as first-class objects.
* Scripting language — often used for automation and small programs.
* General-purpose programming language — designed for a wide variety of application domains.
* Dynamically typed — type checking occurs at runtime.
* Interpreted language — code is executed by an interpreter.
* Multi-paradigm — supports procedural, object-oriented, and functional programming.[1]

## History of Python

See also: History of Python

* ABC (programming language) – precursor to Python
* Python was started by Guido van Rossum in 1989 and first released in 1991.
* Python 2 — major version released in 2000, officially retired in 2020.
* Python 3 — released in 2008[4]

## General Python concepts

See also: Python syntax and semantics

* Classes
* Comments and docstrings
* Context manager
* Data types
* Decorators
* Exceptions
* Functions
* Garbage collection
* Generators
* Indentation
* Interpreter
* Iterators
* Lambda expressions
* Literals
* Modules and import statements
* Objects
* Operators in Python
* Package management (pip)
* Python standard library
* Variables and strings[5]

## Issues and limitations

* Performance — generally slower than many compiled languages such as C or Java can be mitigated by C extensions or JIT compilers (PyPy).
* Global interpreter lock — limits parallel CPU-bound threads in CPython
* Memory consumption — high memory use compared to some lower-level languages
* Version compatibility — Python 2 vs Python 3 differences caused migration issues

## Python implementations

* CPython — reference implementation in C
* IronPython — Python for .NET
* Jython — Python for the JVM
* MicroPython — Python for microcontrollers and embedded systems
* Nuitka — compiler that packages user code with CPython into a static binary
* PyPy — JIT-compiled Python interpreter for speed
* PythonAnywhere — freemium hosted Python installation that runs in the browser
* Stackless Python — Python with lightweight concurrency features[6]

## Python toolchain

File:TIOBE Index.webp

TIOBE Index

Python ranked first in the TIOBE Index as of September 2025.

* List of Python software
* Comparison of Python IDEs
* Comparison of server-side web frameworks for Python
* List of Python frameworks
* List of unit testing frameworks for Python
* Python Package Index

## Notable projects using Python

* YouTube (backend)
* Instagram (backend)
* Dropbox
* Reddit
* OpenStack
* Blender (scripting and plugins)
* SageMath
* NumPy
* Pandas
* TensorFlow

## Python development communities

* ActiveState — commercial Python distributions and support
* Anaconda, Inc. — Python data science ecosystem
* GitHub[7]
* Python Software Foundation
* Python Package Index (PyPI) — third-party software repository for Python[8]

## Example source code

## Python publications

### Books about Python

* Automate the Boring Stuff with Python[9] – Creative Commons Python book
* Alex Martelli — Python in a Nutshell and Python Cookbook
* Mark Pilgrim – Dive into Python
* Naomi Ceder — The Quick Python Book
* Wes McKinney — Python for Data Analysis
* Zed Shaw – Learn Python the Hard Way

### Textbooks

* Core Python Programming

## Python programmers

* David M. Beazley
* Naomi Ceder
* John D. Hunter
* Glyph Lefkowitz
* Alex Martelli
* Wes McKinney
* Peter Norvig
* Travis Oliphant
* Fernando Pérez
* Tim Peters
* Mark Pilgrim
* Allison Randal
* Armin Ronacher
* Guido van Rossum
* Grant Sanderson
* Greg Stein

## Python conferences

* EuroPython[10] – annual Python conference in Europe
* PyCon – the largest annual convention for the Python community
* PyData[11] – conference series focused on data analysis, machine learning, and scientific computing with Python
* SciPy Conferences – focused on the use of Python in scientific computing and research
* DjangoCon – a conference dedicated to the Django web framework
* PyOhio[12] – a free regional Python conference held in Ohio[13]

## Python learning resources

See also: List of online integrated development environments

* Codecademy – interactive Python programming lessons
* GeeksforGeeks – tutorials, coding examples, and interactive programming for Python concepts and data structures.
* Kaggle – free Python courses focused on data science and machine learning.
* Python.org Tutorial – the official Python tutorial from the Python Software Foundation.[14]
* Real Python – articles, tutorials, and courses for Python developers.
* W3Schools – beginner-friendly Python tutorials.
* Wikibooks Python Programming – free open-content textbook on Python.

### Competitive programming

* Codeforces – an online platform for programming contests that supports Python submissions
* Codewars – gamified coding challenges supporting Python
* HackerRank – competitive programming and interview preparation site with Python challenges
* Kaggle – while focused on data science competitions, it also includes Python-based problem solving.
* LeetCode – online judge and problem-solving platform where Python is widely used

## See also

* Outline of computer programming
* Outline of software
* Outline of software engineering
* List of programmers

Outlines of other programming languages

* Outline of the C programming language
* Outline of the C sharp programming language
* Outline of the C++ programming language
* Outline of the Java programming language
* Outline of the JavaScript programming language
* Outline of the Perl programming language
* Outline of the Rust programming language

## External links

| Wikibooks has a book on the topic of: Python programming

|

* Python.org — official site
* Python Documentation
* Python Package Index

* v
* t
* e

Python

Implementations|

* CircuitPython
* CLPython
* CPython
* Cython
* MicroPython
* Numba
* IronPython
* Jython
* Psyco
* PyPy
* Python for S60
* Shed Skin
* Stackless Python
* Unladen Swallow
* more...

IDE|

* Boa
* Eric Python IDE
* IDLE
* PyCharm
* PyDev
* SPE
* Ninja-IDE
* more...

Topics|

* WSGI

* software (list)
* Python Software Foundation
* PyCon

## References

1. ↑ 1.0 1.1 "What is Python? Executive Summary". https://www.python.org/doc/essays/blurb/.
2. ↑ "Python Language advantages and applications". October 23, 2017. https://www.geeksforgeeks.org/python/python-language-advantages-applications/.
3. ↑ "What is Python Programming Language? | Teradata". December 5, 2023. https://www.teradata.com/insights/data-platform/what-is-python-programming-language.
4. ↑ "History of Python programming language". July 24, 2023. https://cointelegraph.com/news/history-of-python-programming-language.
5. ↑ "Introduction to Python". https://www.w3schools.com/python/python_intro.asp.
6. ↑ "Alternative Python Implementations". https://www.python.org/download/alternatives/.
7. ↑ "Build software better, together". https://github.com/.
8. ↑ "Best Python Programmers' Communities Online". https://codeeasy.io/blog/best-python-programmers-communities-online.
9. ↑ "Automate the Boring Stuff with Python - Automate the Boring Stuff with Python". https://automatetheboringstuff.com/.
10. ↑ https://www.europython-society.org/europython/
11. ↑ "About | PyData". https://pydata.org/about/.
12. ↑ Organizers, PyOhio. "Home - PyOhio 2025". https://www.pyohio.org/.
13. ↑ "Conferences and Workshops". https://www.python.org/community/workshops/.
14. ↑ "Learning Resources". https://python.berkeley.edu/resources/.

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