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10 KiB
HTML
197 lines
10 KiB
HTML
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<!doctype html>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Getting started — pyfundoc documentation</title>
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<script type="text/javascript">
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var DOCUMENTATION_OPTIONS = {
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URL_ROOT: './',
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VERSION: ' ',
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COLLAPSE_INDEX: false,
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FILE_SUFFIX: '.html',
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HAS_SOURCE: true,
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SOURCELINK_SUFFIX: '.txt'
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<link rel="index" title="Index" href="genindex.html" />
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<link rel="search" title="Search" href="search.html" />
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<link rel="next" title="Base types" href="base-type.html" />
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<link rel="prev" title="The tasting of python" href="index.html" />
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<meta name="viewport" content="width=device-width,initial-scale=1.0">
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<![endif]-->
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<body>
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<div class="related" role="navigation" aria-label="related navigation">
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<h3>Navigation</h3>
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<ul>
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<li class="right" style="margin-right: 10px">
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<a href="genindex.html" title="General Index"
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accesskey="I">index</a></li>
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<li class="right" >
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<a href="py-modindex.html" title="Python Module Index"
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>modules</a> |</li>
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<li class="right" >
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<a href="base-type.html" title="Base types"
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accesskey="N">next</a> |</li>
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<li class="right" >
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<a href="index.html" title="The tasting of python"
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accesskey="P">previous</a> |</li>
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<li class="nav-item nav-item-0"><a href="index.html">pyfundoc documentation</a> »</li>
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<div class="document">
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<div class="documentwrapper">
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<div class="body" role="main">
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<div class="section" id="getting-started">
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<h1>Getting started<a class="headerlink" href="#getting-started" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="installation">
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<h2>Installation<a class="headerlink" href="#installation" title="Permalink to this headline">¶</a></h2>
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<p>Have a look at the <a class="reference external" href="http://www.python.org">python</a> website.</p>
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</div>
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<div class="section" id="hello-world">
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<h2>Hello world<a class="headerlink" href="#hello-world" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">python</span> <span class="o">-</span><span class="n">c</span> <span class="s2">"print 'hello'"</span>
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</pre></div>
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</div>
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<p>Opening a python prompt:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="nb">print</span><span class="p">(</span><span class="s2">"hello world"</span><span class="p">)</span>
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<span class="go">hello world</span>
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</pre></div>
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</div>
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<div class="literal-block-wrapper docutils container" id="hello-py">
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<div class="code-block-caption"><span class="caption-text">hello.py</span><a class="headerlink" href="#hello-py" title="Permalink to this code">¶</a></div>
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<div class="highlight-python"><div class="highlight"><pre><span></span> <span class="kn">import</span> <span class="nn">sys</span>
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<span class="n">name</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">argv</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
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<span class="k">print</span><span class="p">(</span><span class="s2">"Hello, {0}"</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">name</span><span class="p">))</span>
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</pre></div>
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</div>
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</div>
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<p>starting a web server:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">python3</span> <span class="o">-</span><span class="n">m</span> <span class="n">http</span><span class="o">.</span><span class="n">server</span> <span class="mi">8080</span>
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</pre></div>
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</div>
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<p>importing a module</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">this</span>
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<span class="go">Beautiful is better than ugly.</span>
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<span class="go">Explicit is better than implicit.</span>
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<span class="go">Simple is better than complex.</span>
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<span class="go">Complex is better than complicated.</span>
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</pre></div>
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</div>
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<p>use the builtin help</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="n">help</span><span class="p">(</span><span class="n">function</span><span class="p">)</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="configure-your-prompt">
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<h2>Configure your prompt<a class="headerlink" href="#configure-your-prompt" title="Permalink to this headline">¶</a></h2>
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<p>Set your path or install a good prompt like <a class="reference external" href="https://ipython.org/ipython-doc/2/install/install.html">ipython</a></p>
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<dl class="envvar">
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<dt id="envvar-PYTHONPATH">
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<code class="descname">PYTHONPATH</code><a class="headerlink" href="#envvar-PYTHONPATH" title="Permalink to this definition">¶</a></dt>
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<dd><p>defaults on the current directory
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you can add a path to point to some other library</p>
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</dd></dl>
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<p>put this in your <cite>.bashrc</cite> (under linux), under windows… I don’t know:</p>
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<div class="highlight-default"><div class="highlight"><pre><span></span>export PYTHONPATH:`pwd`
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export PYTHONPATH=$PYTHONPATH:'/usr/share':'/toto/titi/tata'
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alias pyenv='export PYTHONPATH=`pwd`:$PYTHONPATH'
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export PYTHONSTARTUP='/home/gwen/.pystartup'
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</pre></div>
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</div>
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<dl class="envvar">
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<dt id="envvar-PYTHONSTARTUP">
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<code class="descname">PYTHONSTARTUP</code><a class="headerlink" href="#envvar-PYTHONSTARTUP" title="Permalink to this definition">¶</a></dt>
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<dd><p>the pystartup enables us to set the</p>
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<ul class="simple">
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<li>autocompletion</li>
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<li>the history of the commands</li>
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</ul>
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</dd></dl>
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<p>example of <cite>.pystartup</cite></p>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="c1"># Store the file in ~/.pystartup, and set an environment variable to point to</span>
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<span class="c1"># it, e.g. "export PYTHONSTARTUP=/max/home/itamar/.pystartup" in bash.</span>
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<span class="c1">#</span>
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<span class="c1"># Note that PYTHONSTARTUP does *not* expand "~", so you have to put in the full</span>
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<span class="c1"># path to your home directory.</span>
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<span class="kn">import</span> <span class="nn">rlcompleter</span>
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<span class="kn">import</span> <span class="nn">readline</span>
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<span class="n">readline</span><span class="o">.</span><span class="n">parse_and_bind</span><span class="p">(</span><span class="s2">"tab: complete"</span><span class="p">)</span>
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<span class="kn">import</span> <span class="nn">os</span>
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<span class="n">histfile</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">environ</span><span class="p">[</span><span class="s2">"HOME"</span><span class="p">],</span> <span class="s2">".pyhist"</span><span class="p">)</span>
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<span class="k">try</span><span class="p">:</span>
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<span class="n">readline</span><span class="o">.</span><span class="n">read_history_file</span><span class="p">(</span><span class="n">histfile</span><span class="p">)</span>
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<span class="k">except</span> <span class="ne">IOError</span><span class="p">:</span>
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<span class="k">pass</span>
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<span class="kn">import</span> <span class="nn">atexit</span>
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<span class="n">atexit</span><span class="o">.</span><span class="n">register</span><span class="p">(</span><span class="n">readline</span><span class="o">.</span><span class="n">write_history_file</span><span class="p">,</span> <span class="n">histfile</span><span class="p">)</span>
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<span class="k">del</span> <span class="n">os</span><span class="p">,</span> <span class="n">histfile</span>
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<span class="c1"># enhanced completion</span>
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<span class="c1">#import rlcompleter2</span>
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<span class="c1">#rlcompleter2.setup()</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="editors">
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<h2>Editors<a class="headerlink" href="#editors" title="Permalink to this headline">¶</a></h2>
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<p>IDLE</p>
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<p><a class="reference external" href="https://docs.python.org/3/library/idle.html">https://docs.python.org/3/library/idle.html</a></p>
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<p>un framework de développement intégré : <a class="reference internal" href="#term-idle"><span class="xref std std-term">IDLE</span></a></p>
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<dl class="glossary docutils">
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<dt id="term-idle">IDLE</dt>
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<dd><a class="reference external" href="http://docs.python.org/3/library/idle.html">IDLE</a> is an IDE (Integrated Development Environnement)</dd>
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</dl>
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<p><a class="reference external" href="https://thonny.org/">Thonny</a></p>
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<p>Otherwise, your preferred editor…</p>
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</div>
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</div>
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</div>
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</div>
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<div class="clearer"></div>
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</div>
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<div class="related" role="navigation" aria-label="related navigation">
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<h3>Navigation</h3>
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<ul>
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<li class="right" style="margin-right: 10px">
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<a href="genindex.html" title="General Index"
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>index</a></li>
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<li class="right" >
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<a href="py-modindex.html" title="Python Module Index"
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>modules</a> |</li>
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<li class="right" >
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<a href="base-type.html" title="Base types"
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>next</a> |</li>
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<li class="right" >
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<a href="index.html" title="The tasting of python"
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>previous</a> |</li>
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<li class="nav-item nav-item-0"><a href="index.html">pyfundoc documentation</a> »</li>
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</ul>
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</div>
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<div class="footer" role="contentinfo">
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</div>
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</body>
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</html>
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