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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 from_xmrs(cls, xmrs, **kwargs):
 """ Facilitate conversion among subclasses. Args: xmrs (:class:`Xmrs`):
 instance to convert from; possibly an instance of a subclass, such as :class:`Mrs` or :class:`Dmrs` **kwargs: additional keyword arguments that may be used by a subclass's redefinition of :meth:`from_xmrs`. """

        x = cls()
        x.__dict__.update(xmrs.__dict__)
        return x