[Tutor] Omitting lines matching a list of strings from a file

galaxywatcher at gmail.com galaxywatcher at gmail.com
Thu Feb 25 14:42:21 CET 2010

> But I would do this with a list comprehension or generator
> expression (depending on your Python version):
> lines = [line for line in infile if line[146:148] not in omit_states]
> print '\n'.join(lines)

That's very helpful. Thanks. One formatting detail: there is a blank  
line after each line printed, how do I ged rid of the extra blank lines?

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