obals</span> <span class="special">=</span> <span class="identifier">object</span><span class="special">(),</span> <span class="identifier">object</span> <span class="identifier">locals</span> <span class="special">=</span> <span class="identifier">object</span><span class="special">())</span>
</pre>
<p>
        eval evaluates the given expression and returns the resulting value. exec
        executes the given code (typically a set of statements) returning the result,
        and exec_file executes the cod