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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 _get_match(self, key):
 """ Gets a MatchObject for the given key. Args: key (str):
 Key of the property to look-up. Return: MatchObject: The discovered match. """


        return self._get_string_match(key=key) or \
            self._get_non_string_match(key=key)