title: Regular expression, glob, Python
body: <p>I have a folder, contains many files.
  There is a group contains pc_0.txt,pc_1.txt,...,pc_699.txt.
  I want to select all files beetween pc_200 - > to pc_699.txt</p>
  
  <p>How?</p>
  
  <pre><code>for filename in glob.glob("pc*.txt"):
      global_list.append(filename)
  </code></pre>