Lie <[EMAIL PROTECTED]> wrote: > On Jun 8, 7:27 am, "Terry Reedy" <[EMAIL PROTECTED]> wrote: >> "Karlo Lozovina" <[EMAIL PROTECTED]> wrote in message >> >> news:[EMAIL PROTECTED] >> | I figured that out few minutes ago, such a newbie mistake :). The >> | fix I came up with is: >> | >> | result = ['something'] + [someMethod(i) for i in some_list] >> | >> | Are there any other alternatives to this approach? >> >> result = [something] >> result.extend(someMethod(i) for i in some_list) >> >> avoids creating and deleting an intermediate list > > or: > result = ['something'].extend(someMethod(i) for i in some_list) > > it also avoids intermediate list and is one line.
and also throws the list away as soon as it creates it. Didn't you read earlier in this thread: list methods that mutate the list in-place return None. -- http://mail.python.org/mailman/listinfo/python-list
