title: removing words but not numbers from a text file in python
body: <p>There is one column and within that column, there may or may not be 1 to many 6 digit numbers. The data must remain in the order it is listed in the original worksheet for example A1 must stay in row 1, row 2 row 2 and so on.</p>
  
  <p>For example: </p>
  
  <pre><code>Cell A1:
  Lipodystrophy: congenital generalized: type 2: 269700; Encephalopathy: progressive: with or without lipodystrophy: 615924; Silver spastic paraplegia syndrome: 270685; and Neuropathy: distal hereditary motor: type VA: 600794
  </code></pre>
  
  <p>Becomes: </p>
  
  <pre><code>269700, 615924, 270685, 600794
  </code></pre>