# Copyright (c) 2016 The Regents of the University of Michigan.
# All Rights Reserved. Licensed according to the terms of the Revised
# BSD License. See LICENSE.txt for details.

class VanillaXMP:
    pass

# Copyright (c) 2016 The Regents of the University of Michigan.
# All Rights Reserved. Licensed according to the terms of the Revised
# BSD License. See LICENSE.txt for details.
from collections.abc import MutableMapping

class VanillaXMP (MutableMapping):
    def __delitem__ (self, key):
        pass

    def __getitem__ (self, key):
        pass

    def __iter__ (self):
        pass

    def __len__ (self):
        pass

    def __setitem__ (self, key, value):
        pass

Write minimal code to implement MutableMapping
Write minimal code to implement MutableMapping
