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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>31.6. keyword — Testing for Python keywords — Python 2.7.5 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '2.7.5', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.5 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="top" title="Python 2.7.5 documentation" href="../index.html" /> <link rel="up" title="31. 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Python Language Services</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="module-keyword"> <span id="keyword-testing-for-python-keywords"></span><h1>31.6. <a class="reference internal" href="#module-keyword" title="keyword: Test whether a string is a keyword in Python."><tt class="xref py py-mod docutils literal"><span class="pre">keyword</span></tt></a> — Testing for Python keywords<a class="headerlink" href="#module-keyword" title="Permalink to this headline">¶</a></h1> <p><strong>Source code:</strong> <a class="reference external" href="http://hg.python.org/cpython/file/2.7/Lib/keyword.py">Lib/keyword.py</a></p> <hr class="docutils" /> <p>This module allows a Python program to determine if a string is a keyword.</p> <dl class="function"> <dt id="keyword.iskeyword"> <tt class="descclassname">keyword.</tt><tt class="descname">iskeyword</tt><big>(</big><em>s</em><big>)</big><a class="headerlink" href="#keyword.iskeyword" title="Permalink to this definition">¶</a></dt> <dd><p>Return true if <em>s</em> is a Python keyword.</p> </dd></dl> <dl class="data"> <dt id="keyword.kwlist"> <tt class="descclassname">keyword.</tt><tt class="descname">kwlist</tt><a class="headerlink" href="#keyword.kwlist" title="Permalink to this definition">¶</a></dt> <dd><p>Sequence containing all the keywords defined for the interpreter. If any keywords are defined to only be active when particular <a class="reference internal" href="__future__.html#module-__future__" title="__future__: Future statement definitions"><tt class="xref py py-mod docutils literal"><span class="pre">__future__</span></tt></a> statements are in effect, these will be included as well.</p> </dd></dl> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="token.html" title="previous chapter">31.5. <tt class="docutils literal"><span class="pre">token</span></tt> — Constants used with Python parse trees</a></p> <h4>Next topic</h4> <p class="topless"><a href="tokenize.html" title="next chapter">31.7. <tt class="docutils literal"><span class="pre">tokenize</span></tt> — Tokenizer for Python source</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li><a href="../_sources/library/keyword.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="tokenize.html" title="31.7. tokenize — Tokenizer for Python source" >next</a> |</li> <li class="right" > <a href="token.html" title="31.5. token — Constants used with Python parse trees" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" >The Python Standard Library</a> »</li> <li><a href="language.html" >31. 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