Marc 'BlackJack' Rintsch wrote: > If ``in`` shouldn't work with dictionaries, either `__contains__()` must > be implemented to throw an exception or dictionaries shouldn't be iterable.
I agree completely (in the sense that dictionaries shouldn't be iterable directly). Probably even more strongly, at least every time I see some code where someone iterates over the keys, only to use the key to look up the value (instead if using iteritms). For strings, the 1:1 relationship between 'in' and iteration has already been broken. But then, iteration over strings happens in my code only when a pass a string where I should have passed a list of strings. Daniel -- http://mail.python.org/mailman/listinfo/python-list
