Copy oldest file to another directory using Python
<p>There are some problems in my python program.</p>

<p>I want to open a directory, choice the oldest file and then copy the file to another directory.</p>

<p>I read the documents which is mentioned "shutil", but I don't know how to choice the oldest one.</p>

<p>Could someone help me solve this problem. </p>

<p>Thanks for your reply.</p>
