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<p>Obtain the <aclass="reference internal" href="not_released.html"><spanclass="doc">skeleton code for these exercises from GitHub classroom</span></a>.
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<p>Obtain the <aclass="reference external" href="https://classroom.github.com/a/mElLR0AD">skeleton code for these exercises from GitHub Classroom</a>.
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The skeleton code contains a <codeclass="xref py py-mod docutils literal notranslate"><spanclass="pre">polynomial</span></code> package with a version of
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the <codeclass="xref py py-class docutils literal notranslate"><spanclass="pre">Polynomial</span></code> class.</p>
<h2><spanclass="section-number">4.8. </span>A brief diversion into cellular automata<aclass="headerlink" href="#a-brief-diversion-into-cellular-automata" title="Permalink to this headline">¶</a></h2>
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<p>We’ll now take a brief diversion into a completely different area of
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mathematics: cellular automata. This is entirely irrelevant to the contents of
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this course, except that it provides a useful and, hopefully, interesting basis
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for this week’s exercises. <aclass="reference external" href="https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life">The game of life</a> is a mathematical
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system invented by the mathematician <aclass="reference external" href="https://en.wikipedia.org/wiki/John_Horton_Conway">John Horton Conway FRS</a> in 1970. The board of the
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game is a grid of squares, like an infinite piece of graph paper (though we’ll
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only work with finite boards, since our computers have finite memory). Each cell
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on the board is either alive (value 1) or dead (value 0). The only human
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interaction is to set the initial state of every square on the board to either
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alive or dead. The game then proceeds as a series of</p>
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</div>
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<divclass="section" id="glossary">
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<h2><spanclass="section-number">4.8. </span>Glossary<aclass="headerlink" href="#glossary" title="Permalink to this headline">¶</a></h2>
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<h2><spanclass="section-number">4.9. </span>Glossary<aclass="headerlink" href="#glossary" title="Permalink to this headline">¶</a></h2>
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<blockquote>
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<div><dlclass="glossary simple">
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<dtid="term-block-comment">block comment</dt><dd><p>A comment which is the only text on one or more lines of code. Block
<liclass="toctree-l2"><aclass="reference internal" href="4_style.html#a-brief-diversion-into-cellular-automata">4.8. A brief diversion into cellular automata</a></li>
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