Gabriel Zachmann wrote: > It seems to me that the following behavior of python (2.4.1) is inconsistent: [snip] > Why was it implemented like this??
Lists are mutable objects; integers are not. For a list, a += b is equivalent to a.__iadd__(b), which is an in-place modification. For an integer, no __iadd__ method is provided, so a += b is equivalent to a = a.__add__(b), which is a rebinding operation rather than a modification. This question (or variants thereof) is asked on an almost daily basis; please search before posting. -- David -- http://mail.python.org/mailman/listinfo/python-list
