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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 mounted(cls, unmounted):
 # noqa: N802 """ Mount the UnmountedType instance """

        assert isinstance(unmounted, UnmountedType), ("{} can't mount {}").format(
            cls.__name__, repr(unmounted)
        )

        return cls(
            unmounted.get_type(),
            *unmounted.args,
            _creation_counter=unmounted.creation_counter,
            **unmounted.kwargs
        )