title: Python: How to ignore #comment lines when reading in a file
body: <p>In Python, I have just read a line form a text file and I'd like to know how to code to ignore comments with a hash # at the beginning of the line.</p>
  
  <p>I think it should be something like this: </p>
  
  <pre><code>for 
     if line !contain #
        then ...process line
     else end for loop 
  </code></pre>
  
  <p>But I'm new to Python and I don't know the syntax</p>