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10_trees_and_directed_acyclic_graphs.html

@@ -62,7 +62,7 @@
   <div class="section" id="trees-and-directed-acyclic-graphs">
 <span id="trees"></span><h1><span class="section-number">10. </span>Trees and directed acyclic graphs<a class="headerlink" href="#trees-and-directed-acyclic-graphs" title="Permalink to this headline">¶</a></h1>
 <p>The <a class="reference internal" href="5_abstract_data_types.html#term-abstract-data-type"><span class="xref std std-term">abstract data types</span></a> that we met in
-<a class="reference internal" href="5_abstract_data_types.html#abstract-data-types"><span class="std std-numref">Chapter 5</span></a> were all fairly simple sequences of objects that
+<a class="reference internal" href="5_abstract_data_types.html#abstract-data-types"><span class="std std-numref">Week 5</span></a> were all fairly simple sequences of objects that
 were extensible in different ways. If that were all the sum total of abstract
 data types then the reader might reasonably wonder what all the fuss is about.
 In this chapter we’ll look at <a class="reference internal" href="#term-tree"><span class="xref std std-term">trees</span></a> and <a class="reference internal" href="#term-directed-acyclic-graph"><span class="xref std std-term">directed acyclic
@@ -884,7 +884,7 @@ <h3><span class="section-number">10.4.3. </span>Single dispatch functions<a clas
 <p>The new feature that we haven’t met before appears on line 5.
 <a class="reference external" href="https://docs.python.org/3/library/functools.html#functools.singledispatch" title="(in Python v3.9)"><code class="xref py py-func docutils literal notranslate"><span class="pre">functools.singledispatch()</span></code></a> turns a function into
 a single dispatch function. The <code class="xref py py-obj docutils literal notranslate"><span class="pre">&#64;</span></code> symbol marks
-<a class="reference external" href="https://docs.python.org/3/library/functools.html#functools.singledispatch" title="(in Python v3.9)"><code class="xref py py-func docutils literal notranslate"><span class="pre">singledispatch()</span></code></a> as a <a class="reference external" href="https://docs.python.org/3/glossary.html#term-decorator" title="(in Python v3.9)"><span class="xref std std-term">decorator</span></a>. We’ll return to them
+<a class="reference external" href="https://docs.python.org/3/library/functools.html#functools.singledispatch" title="(in Python v3.9)"><code class="xref py py-func docutils literal notranslate"><span class="pre">singledispatch()</span></code></a> as a <a class="reference internal" href="11_further_object-oriented_features.html#term-decorator"><span class="xref std std-term">decorator</span></a>. We’ll return to them
 in <a class="reference internal" href="11_further_object-oriented_features.html#decorators"><span class="std std-numref">Section 11.1</span></a>. For the moment, we just need to know that
 <code class="xref py py-obj docutils literal notranslate"><span class="pre">&#64;singledispatch</span></code> turns the function it precedes into a single dispatch
 function.</p>

11_further_object-oriented_features.html

@@ -650,7 +650,7 @@ <h2><span class="section-number">2.7. </span>Testing frameworks<a class="headerl
 the practical details of including tests in your code here.</p>
 <p>There are a number of Python packages which support code testing. The
 concepts are largely similar so rather than get bogged down in the
-details of multiple frameworks, we will introduce <a class="reference external" href="https://docs.pytest.org/en/latest/index.html" title="(in pytest v0.1.dev246+g63bc49d)"><span class="xref std std-doc">pytest</span></a>, which is one of the most widely used. Pytest is simply a Python
+details of multiple frameworks, we will introduce <a class="reference external" href="https://docs.pytest.org/en/latest/index.html" title="(in pytest v0.1.dev249+g35df3e6)"><span class="xref std std-doc">pytest</span></a>, which is one of the most widely used. Pytest is simply a Python
 package, so you can install it into your current environment using:</p>
 <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp">$</span> python -m pip install pytest
 </pre></div>

2_programs_in_files.html

@@ -721,10 +721,10 @@ <h3><span class="section-number">8.2.2. </span>Class attributes<a class="headerl
 </pre></div>
 </div>
 <p>In fact, <code class="xref py py-class docutils literal notranslate"><span class="pre">Group</span></code> is never supposed to be instantiated, it plays the role
-of an <a class="reference internal" href="11_further_object-oriented_features.html#term-abstract-class"><span class="xref std std-term">abstract class</span></a>. In other words, it’s role is to provide
+of an <a class="reference internal" href="11_further_object-oriented_features.html#term-abstract-base-class"><span class="xref std std-term">abstract base class</span></a>. In other words, it’s role is to provide
 functionality to classes that inherit from it, rather than to be the type of
 objects itself. We will return to this in more detail in
-<a class="reference internal" href="11_further_object-oriented_features.html#abstract-classes"><span class="std std-numref">Section 11.2</span></a>.</p>
+<a class="reference internal" href="11_further_object-oriented_features.html#abstract-base-classes"><span class="std std-numref">Section 11.2</span></a>.</p>
 <p>However, if we instead instantiate <a class="reference internal" href="example_code.html#example_code.groups.CyclicGroup" title="example_code.groups.CyclicGroup"><code class="xref py py-class docutils literal notranslate"><span class="pre">CyclicGroup</span></code></a>
 then everything works:</p>
 <div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="gp">In [1]: </span><span class="kn">from</span> <span class="nn">example_code.groups</span> <span class="kn">import</span> <span class="n">CyclicGroup</span>