cks.check_area">[docs]</a><span class="k">def</span> <span class="nf">check_area</span><span class="p">(</span><span class="n">grid</span><span class="p">,</span> <span class="n">area</span><span class="p">,</span> <span class="n">upper</span><span class="p">,</span> <span class="n">lower</span><span class="p">,</span> <span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">):</span>
    <span class="sd">&#39;&#39;&#39;Defines the correct area string.</span>

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