title: Get folder name from list of string
body: <p>I have a list of a hundred folders like below: </p>
  
  <pre><code>C:\Mother\Son\foler_A\a_file.txt
  C:\Mother\Son\foler_A\foler_B\a_file.txt
  C:\Mother\Son\foler_B\a_file.txt
  C:\Mother\Son\foler_C\foler_D\a_file.txt
  ...
  </code></pre>
  
  <p>Can someone help me to get the list of the lastest folder level like: </p>
  
  <pre><code>['folder_A', [folder_B], [folder_B],[folder_D]]
  </code></pre>