The Standard Library and the Python Package Index
A default Python install includes many modules (blocks of code) that enable you to interact with the operating system, open and manipulate files, parse command-line options, perform data hashing and encryption, and much more. This is one of the reasons most commonly cited when people are asked why they like Python so much: It comes stocked to the gills with functionality you can take advantage of immediately. In fact, the number of modules included in the Standard Library is so high that entire books have been written about them.
For unofficial scripts and add-ons for Python, the recommended starting place is called the Python Package Index (PyPI) at http://pypi.python.org/pypi. There you can ...
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