I am very new to Python. I know that this has already been asked, and I apologise, but the difference in this new situation is that spaces between strings are not equal. I
>>> a = 'cah 1 C 6.00 0.000000000 1.342650315 0.000000000'
=> a = 'cah 1 C 6.00 0.000000000 1.342650315 0.000000000'
>>> a.split()
=> ['cah', '1', 'C', '6.00', '0.000000000', '1.342650315', '0.000000000']
>>> ','.join(a.split())
=> 'cah,1,C,6.00,0.000000000,1.342650315,0.000000000'
>>> ['"' + x + '"' for x in a.split()]
=> ['"cah"', '"1"', '"C"', '"6.00"', '"0.000000000"', '"1.342650315"', '"0.000000000"']
>>> ','.join(['"' + x + '"' for x in a.split()]
=> '"cah","1","C","6.00","0.000000000","1.342650315","0.000000000"'