string - In Python 2.4, how can I strip out characters after ';'? -

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Assume that I am parsing a file, which uses ; As a comment character, I do not want to parse the comments. So if I see a line like this: 

  example.com. 600 in MX 8 s1b9.example.net; Hello!

Is there a simple / more beautiful way to strip characters other than this: 

  rtr = '' for the line in the file : Trig = false for line four: if not trig and char! = ';': Rtr + = char else: trig = true if rtr [max (rtr)]! = '\ N': rtr + = '\ n'   
 
 
 I say that < / P> 
  line.split (";") [0]  
 
 which will give you a string of all the characters, but the first ";" character. If not ";" If the character is present, then it will give you the whole line.

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