5. Miscellaneous Services
The modules described in this chapter provide miscellaneous services that are available in all Python versions. Here's an overview:
| pydoc | Documentation generator and online help system. | |
| doctest | A framework for verifying examples in docstrings. | |
| unittest | Unit testing framework for Python. | |
| math | Mathematical functions (sin() etc.). | |
| cmath | Mathematical functions for complex numbers. | |
| random | Generate pseudo-random numbers with various common distributions. | |
| whrandom | Floating point pseudo-random number generator. | |
| bisect | Array bisection algorithms for binary searching. | |
| array | Efficient arrays of uniformly typed numeric values. | |
| ConfigParser | Configuration file parser. | |
| fileinput | Perl-like iteration over lines from multiple input streams, with ``save in place'' capability. | |
| xreadlines | Efficient iteration over the lines of a file. | |
| calendar | Functions for working with calendars, including some emulation of the Unix cal program. | |
| cmd | Build line-oriented command interpreters. | |
| shlex | Simple lexical analysis for Unix shell-like languages. |
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Python Library Reference |  |
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Release 2.2, documentation updated on December 21, 2001.