本文全面介绍了Python编程语言的核心概念、特性及其应用领域。包括Python的简洁语法、高效数据结构、面向对象编程方法、以及如何在不同平台下使用Python的解释器和标准库。此外，文章还探讨了Python作为脚本语言和快速应用开发的强大潜力，以及其易于扩展性和作为可定制应用程序的扩展语言的功能。通过实例和离线阅读选项，帮助读者掌握Python编程的精髓。
Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas on most platforms.
Python是一个简单，强大的编程语言。它有高效高级的数据结构和一个简单但是有效的面向对象的编程方法。Python简洁的语法和动态类型，同它的解释执行特性，使它在大多数平台很多领域里成为了一门理想的脚本和快速程序开发的语言。
The Python interpreter and the extensive standard library are freely available in source or binary form for all major platforms from the Python Web site, http://www.python.org/, and may be freely distributed. The same site also contains distributions of and pointers to many free third party Python modules, programs and tools, and additional documentation.
在Python的网站上[http://www.python.org/][1]，可以自由获取各大主流平台Python解释器和拓展标准库的源代码，并可以自由传播。这个网站也包含了很多发布者和指向自由的第三方Python模块，程序和工具以及附加文档。
The Python interpreter is easily extended with new functions and data types implemented in C or C++ (or other languages callable from C). Python is also suitable as an extension language for customizable applications.
Python解释器很容易通过C/C++(或者其他可调用C的语言)拓展实现新函数和数据类型。Python也适合作为可定制应用程序的一种拓展语言。
This tutorial introduces the reader informally to the basic concepts and features of the Python language and system. It helps to have a Python interpreter handy for hands-on experience, but all examples are self-contained, so the tutorial can be read off-line as well.
这篇教程向读者通俗地讲解一些Python语言和系统的基本概念和特性。这有助于读者亲手实践Python解释器，当然所有的例子都是独立的，也可以离线查看本教程。 [1]: http://www.python.org/
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