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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 verify_initdict(initdict: InitDict) -> None: """ Ensures that its parameter is a proper ``InitDict``, or raises ``ValueError``. """

    if (not isinstance(initdict, dict) or
            ARGS_LABEL not in initdict or
            KWARGS_LABEL not in initdict):
        raise ValueError("Not an InitDict dictionary")