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11_further_object-oriented_features.html

@@ -814,7 +814,7 @@ <h3><span class="section-number">11.5.3. </span>Practice questions<a class="head
 of brackets according to distributive laws. Finally you could canonicalise
 commutative operators such as <code class="xref py py-obj docutils literal notranslate"><span class="pre">+</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">*</span></code> so that, for example <code class="xref py py-obj docutils literal notranslate"><span class="pre">1</span> <span class="pre">+</span> <span class="pre">x</span></code> is
 mapped to <code class="xref py py-obj docutils literal notranslate"><span class="pre">x</span> <span class="pre">+</span> <span class="pre">1</span></code>. Doing this over multiple layers of the tree
-(transforming <code class="xref py py-obj docutils literal notranslate"><span class="pre">1</span> <span class="pre">+</span> <span class="pre">2*x</span> <span class="pre">+</span> <span class="pre">3*x**2</span></code> to <code class="xref py py-obj docutils literal notranslate"><span class="pre">3*x**2</span> <span class="pre">+</span> <span class="pre">2*x</span> <span class="pre">+</span> <span class="pre">1</span></code> is an additional
+(for example, transforming <code class="xref py py-obj docutils literal notranslate"><span class="pre">1</span> <span class="pre">+</span> <span class="pre">2*x</span> <span class="pre">+</span> <span class="pre">3*x**2</span></code> to <code class="xref py py-obj docutils literal notranslate"><span class="pre">3*x**2</span> <span class="pre">+</span> <span class="pre">2*x</span> <span class="pre">+</span> <span class="pre">1</span></code>) is an additional
 challenge.</p>
 </div></div><p class="rubric">Footnotes</p>
 <dl class="footnote brackets">

_sources/11_further_object-oriented_features.rst.txt

@@ -735,7 +735,7 @@ with additional code or tests.
     of brackets according to distributive laws. Finally you could canonicalise
     commutative operators such as `+` and `*` so that, for example `1 + x` is
     mapped to `x + 1`. Doing this over multiple layers of the tree
-    (transforming `1 + 2*x + 3*x**2` to `3*x**2 + 2*x + 1` is an additional
+    (for example, transforming `1 + 2*x + 3*x**2` to `3*x**2 + 2*x + 1`) is an additional
     challenge.