200 lines
7.2 KiB
HTML
200 lines
7.2 KiB
HTML
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The Buridan's donkey in python · Caught in the Net
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Caught in the Net
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<p>© 2016. CC BY-SA 4.0 International </p>
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<h3 class="masthead-title">
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<a href="/" title="Home">Caught in the Net</a>
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<h1 class="post-title">The Buridan's donkey in python</h1>
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<span class="post-date">02 Apr 2016</span>
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<p>During the final weeks of my exam session I started reading a bit about python 3 using an excellent book: <a href="http://www.diveintopython.net/">Dive into Python</a>.
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When I noted that python uses the <a href="https://en.wikipedia.org/wiki/Mersenne_Twister">Mersenne Twister PRNG</a> as well I decided to write another version of my <a href="http://francescomecca.eu/index.php/archives/207">Buridan's donkey program</a>.</p>
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<figure class="highlight"><pre><code class="language-python" data-lang="python"> <span class="kn">import</span> <span class="nn">random</span><span class="o">,</span> <span class="nn">sys</span>
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<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">'__main__'</span><span class="p">:</span>
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<span class="n">args</span> <span class="o">=</span> <span class="nb">list</span><span class="p">()</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdin</span><span class="o">.</span><span class="n">isatty</span><span class="p">():</span>
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<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">sys</span><span class="o">.</span><span class="n">stdin</span><span class="p">:</span>
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<span class="k">if</span> <span class="n">line</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="ow">is</span> <span class="s">'</span><span class="se">\n</span><span class="s">'</span><span class="p">:</span>
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<span class="n">line</span> <span class="o">=</span> <span class="n">line</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
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<span class="n">args</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">line</span><span class="p">)</span>
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<span class="k">else</span><span class="p">:</span>
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<span class="n">args</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="n">argRange</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span>
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<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">argRange</span><span class="p">):</span>
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<span class="k">print</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="o">+</span> <span class="s">'.'</span><span class="p">,</span> <span class="n">args</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">random</span><span class="o">.</span><span class="n">randrange</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">))))</span></code></pre></figure>
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<p>This script works in a different way than the one in c++.
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Rather than shuffling a list made by the entries in the arguments, it pops randomly one entry from the list till the list is empty.</p>
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<p>Not satisfied enough, I wrote also a telegram bot using the <a href="https://github.com/eternnoir/pyTelegramBotAPI">telebot library</a> that works as the script above but inside the telegram app.
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The bot can be added to your contact list by simply searching for <a href="http://telegram.me/duridan_donkey_bot">@duridan_donkey_bot</a> (yes, a typo!)</p>
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<p>All the code is opensource and can be found on my github page.</p>
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<p>Francesco Mecca</p>
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</div>
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<div class="related">
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<h2>Related Posts</h2>
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<small>16 May 2016</small>
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<li>
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<small>15 May 2016</small>
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</a>
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</h3>
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<h3>
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<small>03 May 2016</small>
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</li>
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</ul>
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</div>
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