e.  In
classes, variable assignments at the class definition level are
considered class variables; and assignments to instance variables in
the constructor (<code>__init__</code>) are considered instance variables:<p>

<div class="screen2"><pre>
<code class="prompt">&gt;&gt;&gt;</code> <code class="keyword">class</code> A:
<code class="prompt">...</code>     x = 22
<code class="prompt">...</code>     <code class="string">"""Docstring for class variable A.x"""</code>
<code class="prompt">...</code>
<code cla