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href="itertools.html#itertool-functions">Itertool functions</a></li> <li class="toctree-l2"><a class="reference internal" href="itertools.html#itertools-recipes">Itertools Recipes</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="functools.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">functools</span></code> — Higher-order functions and operations on callable objects</a><ul> <li class="toctree-l2"><a class="reference internal" href="functools.html#partial-objects"><code class="xref py py-class docutils literal notranslate"><span class="pre">partial</span></code> Objects</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="operator.html"><code class="xref py py-mod docutils literal notranslate"><span class="pre">operator</span></code> — Standard operators as functions</a><ul> <li class="toctree-l2"><a class="reference internal" href="operator.html#mapping-operators-to-functions">Mapping Operators to Functions</a></li> <li class="toctree-l2"><a class="reference internal" href="operator.html#in-place-operators">In-place Operators</a></li> </ul> </li> </ul> </div> </div> </div> </div> </div> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="statistics.html" title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">statistics</span></code> — Mathematical statistics functions</a></p> <h4>Next topic</h4> <p class="topless"><a href="itertools.html" title="next chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">itertools</span></code> — Functions creating iterators for efficient looping</a></p> <div role="note" aria-label="source link"> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li> <a 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