"[EMAIL PROTECTED]" <[EMAIL PROTECTED]> writes: > However, I wonder why L.sort() don't return the reference L, the > performance of return L and None may be the same.
It's not "the same". sort() does not return anything. > Why? I've just explained to you and so the others: by default operations on mutable objects are in place. s = "abc" s.upper() does return another string. String are immutable references. -- Lawrence - http://www.oluyede.org/blog "Nothing is more dangerous than an idea if it's the only one you have" - E. A. Chartier -- http://mail.python.org/mailman/listinfo/python-list
