"J. Peng" <[EMAIL PROTECTED]> writes: > we create a new list and assign it to x for future use. How to > destroy the before list [1,2,3]? does python destroy it > automatically?
Yes, Python detects that the older list is no longer in use (if that is indeed the case), and destroys it automatically. If you're curious how that works, take a look at http://en.wikipedia.org/wiki/Reference_counting -- http://mail.python.org/mailman/listinfo/python-list
