try: dict[a].append(b) except KeyError: dict[a] = [b]
or my favorite Python shortcut: dict.setdefault(a, []).append(b)
Kent -- http://mail.python.org/mailman/listinfo/python-list
try: dict[a].append(b) except KeyError: dict[a] = [b]
or my favorite Python shortcut: dict.setdefault(a, []).append(b)
Kent -- http://mail.python.org/mailman/listinfo/python-list