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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 company_type(self, abbr: bool = False) -> str: """Get a random type of business entity. :param abbr: Abbreviated company type. :return: Types of business entity. """

        key = 'abbr' if abbr else 'title'
        return self.random.choice(
            self._data['company']['type'][key],
        )