Hi, I have few files like this:
24 ALA helix (helix_alpha, helix2) 27 ALA helix (helix_alpha, helix2) 51 ALA helix (helix_alpha, helix4) 58 ALA helix (helix_alpha, helix5) 63 ALA helix (helix_alpha, helix5) now with this program: for line in open('1.txt'): columns = line.split() print columns[0], columns[2] I am trying to print only 1st and third column but it showing error like: mru...@caf:~> python split.py 24 helix Traceback (most recent call last): File "split.py", line 3, in print columns[0], columns[2] IndexError: list index out of range nmru...@caf:~> how to rectify it. Thanks,
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