<list>.insert(index, <el>) # Inserts item at index and moves the rest to the right.

<el> = <list>.pop([index]) # Removes and returns item at index or from the end.

<list>.remove(<el>) # Removes first occurrence of item or raises ValueError.

<str> = <Match>.group() # Whole match.

<str> = <Match>.group(1) # Part in first bracket.

<tuple> = <Match>.groups() # All bracketed parts.

<int> = <Match>.start() # Start index of a match.

<int> = <Match>.end() # Exclusive end index of a match.

&lt;list&gt;.insert(index, &lt;el&gt;) <span class="hljs-comment"># Inserts item at index and moves the rest to the right.</span>

&lt;el&gt; = &lt;list&gt;.pop([index]) <span class="hljs-comment"># Removes and returns item at index or from the end.</span>

&lt;list&gt;.remove(&lt;el&gt;) <span class="hljs-comment"># Removes first occurrence of item or raises ValueError.</span>

<h2 id="dictionary"><a href="#dictionary" name="dictionary">#</a>Dictionary</h2>

<pre><code class="python language-python hljs">&lt;view&gt; = &lt;dict&gt;.keys() <span class="hljs-comment"># Coll. of keys that reflects changes.</span>

<pre><code class="python language-python hljs">&lt;str&gt; = &lt;Match&gt;.group() <span class="hljs-comment"># Whole match.</span>

&lt;str&gt; = &lt;Match&gt;.group(<span class="hljs-number">1</span>) <span class="hljs-comment"># Part in first bracket.</span>

&lt;tuple&gt; = &lt;Match&gt;.groups() <span class="hljs-comment"># All bracketed parts.</span>

&lt;int&gt; = &lt;Match&gt;.end() <span class="hljs-comment"># Exclusive end index of a match.</span>

<h3 id="specialsequences">Special Sequences</h3>