org/doc/current/lib/module-pydoc.html">
the standard library</a> in Python 2.1, can be used to display
information about a Python object, including its docstring: </p>

<div class="screen"><pre>
<code class="prompt">&gt;&gt;&gt;</code> <code class="user"><code class="keyword">from</code> pydoc <code class="keyword">import</code> help</code>

<code class="prompt">&gt;&gt;&gt;</code> <code class="user">help(x_intercept)</code>
<code class="output">Help on function x_intercept in module __main__:

<b>x_interce