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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def assert_not_equal(first, second, msg_fmt="{msg}"):
 """Fail if first equals second, as determined by the '==' operator. Traceback (most recent call last):
 AssertionError: -7 == -7.0 The following msg_fmt arguments are supported: * msg - the default error message * first - the first argument * second - the second argument """


    if first == second:
        msg = "{!r} == {!r}".format(first, second)
        fail(msg_fmt.format(msg=msg, first=first, second=second))