from UserDict import DictMixin
# MyDict only needs to implement getitem, setitem, delitem and keys (at a
# minimum) and UserDict will provide the rest of the standard dictionary
# methods based on these four.
# getitem and delitem should raise KeyError if no item exists for the given
# key. getitem, setitem and delitem should raise TypeError if the given key
# is of the wrong type.
def __getitem__(self, key):
def __setitem__(self, key, item):
def __delitem__(self, key):
# You can now use your class as if it was a dict, using the standard container
# operators and dictionary methods.
d = MyDict()
d[key] = value