mannu jha wrote:
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
It depends on what you mean by a column. I assume your data is more
complex than what you've shown us.
If your data is really single words separated by spaces, you can do:
for line in open('file'):
columns = line.split()
return columns[0], columns[3]
If your columns can
Dear Sir,
Thanks for your help..but yes my files are having column like:
# RESIDUE AA STRUCTURE BP1 BP2 ACC N-H--OO--H-NN-H--O
O--H-NTCO KAPPA ALPHA PHI PSIX-CA Y-CA Z-CA
12 A I 0 0 91 0, 0.038,-0.1 0, 0.0
