Dennis Lee Bieber: > So� in Python, your str[n] := > ':' just can not be done! You would have to create a new string > containing everything in front of n, the ':', and then everything behind > n (skipping n itself, of course). This is a painfully slow operation in > Python as it allocates memory for the parts, allocates memory for the > new combined string, and then garbage collects (potentially) the > original string and parts. The recommended Python idiom is to break > strings into a list of separate parts (str.split('_'), for example), > manipulate those parts, and at the end of manipulation, rejoin them > using some delimiter ( ",".join(partslist) )
An alternative solution, that's often good, expecially wity Psyco, is to use an: array.array("c", originalstring) and then mutate it, as you do with Pascal strings. Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list