The application fields of Python include the following scenarios.

1.Web application development

Python is often used for Web development. For example, through mod_ Wsgi module, Apache can run Web programs written in Python. Python defines the WSGI standard application interface to coordinate the communication between HTTP servers and Python-based Web applications. Some web frameworks, such as Django, TurboGears, web2py, Zope, etc., can make it easy for programmers to develop and manage complex web programs.

2.Automated scripts for operating system management and server operation and maintenance

In many operating systems, Python is a standard system component. Most Linux distributions, as well as NetBSD, OpenBSD and Mac OS X, integrate Python and can run Python directly under the terminal. Some installers for Linux distributions are written in Python, such as Ubuntu's Ubiquity installer, Red Hat Linux and Fedora's Anaconda installer. Gentoo Linux uses Python to write its Portage (package management system). The Python standard library contains several libraries that call the functions of the operating system. Through pywin32, a third-party software package, Python can access Windows COM services and other Windows APIs. With IronPython, Python can directly call the. Net Framework. Generally speaking, the system management scripts written in Python are better than ordinary shell scripts in terms of readability, performance, code reuse and scalability.

3.Scientific computing

NumPy, Scipy and Matplotlib allow Python programmers to write scientific computing programs.

4.Desktop software

PyQt, PySide, wxPython and PyGTK are the sharp tools for Python to rapidly develop desktop applications.

5.Server software (network software)

Python has perfect support for various network protocols, so it is often used to write server software and web crawlers. The third-party library Twisted supports asynchronous network programming and most standard network protocols (including client and server), and provides a variety of tools, which are widely used to write high-performance server software.

6.Games

Many games use C++to write high-performance modules such as graphic display, and Python or Lua to write game logic and servers. Compared with Python, Lua has simpler functions and smaller size; Python supports more features and data types.

7.Conception realization, iteration of early product prototype

YouTube、Google、Yahoo!、 NASA uses Python extensively internally.