Dear all, I am new in python, can anyone help me that how can I select two column out of 6 column from a file. For example if I have file like:
a1 a2 a3 a4 a5 a6 b1 b2 b3 b4 b5 b6 c1 c2 c3 c4 c5 c6 d1 d2 d3 d4 d5 d6 and I want output like: a1 a4 b1 b4 c1 c4 d1 d4 then how to do Thanks
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