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<title>5. Miscellaneous Services</title>
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<H1><A NAME="SECTION007000000000000000000"></A>
<A NAME="misc"></A>
<BR>
5. Miscellaneous Services
</H1>

<P>
The modules described in this chapter provide miscellaneous services
that are available in all Python versions.  Here's an overview:

<P>
<table class='synopsistable' valign='baseline'>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-pydoc.html'>pydoc</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Documentation generator and online help system.</td></tr>
  <tr><td><b><tt class='module'><a href='module-doctest.html'>doctest</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>A framework for verifying interactive Python examples.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-unittest.html'>unittest</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Unit testing framework for Python.</td></tr>
  <tr><td><b><tt class='module'><a href='module-test.html'>test</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Regression tests package containing the testing suite
                for Python.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-test.testsupport.html'>test.test_support</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Support for Python regression tests.</td></tr>
  <tr><td><b><tt class='module'><a href='module-decimal.html'>decimal</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Implementation of the General Decimal Arithmetic
Specification.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-math.html'>math</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Mathematical functions (<tt class="function">sin()</tt> etc.).</td></tr>
  <tr><td><b><tt class='module'><a href='module-cmath.html'>cmath</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Mathematical functions for complex numbers.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-random.html'>random</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Generate pseudo-random numbers with various common
                distributions.</td></tr>
  <tr><td><b><tt class='module'><a href='module-whrandom.html'>whrandom</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Floating point pseudo-random number generator.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-bisect.html'>bisect</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Array bisection algorithms for binary searching.</td></tr>
  <tr><td><b><tt class='module'><a href='module-collections.html'>collections</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>High-performance datatypes</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-heapq.html'>heapq</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Heap queue algorithm (a.k.a. priority queue).</td></tr>
  <tr><td><b><tt class='module'><a href='module-array.html'>array</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Efficient arrays of uniformly typed numeric values.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-sets.html'>sets</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Implementation of sets of unique elements.</td></tr>
  <tr><td><b><tt class='module'><a href='module-itertools.html'>itertools</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Functions creating iterators for efficient looping.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-ConfigParser.html'>ConfigParser</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Configuration file parser.</td></tr>
  <tr><td><b><tt class='module'><a href='module-fileinput.html'>fileinput</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Perl-like iteration over lines from multiple input
streams, with ``save in place'' capability.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-calendar.html'>calendar</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Functions for working with calendars,
                including some emulation of the <span class="Unix">Unix</span> <b class="program">cal</b>
                program.</td></tr>
  <tr><td><b><tt class='module'><a href='module-cmd.html'>cmd</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Build line-oriented command interpreters.</td></tr>
  <tr class='oddrow'>
      <td><b><tt class='module'><a href='module-shlex.html'>shlex</a></tt></b></td>
      <td>&nbsp;</td>
      <td class='synopsis'>Simple lexical analysis for <span class="Unix">Unix</span> shell-like languages.</td></tr>
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<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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