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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 meta(self, type):
 """Retreived meta information of a format. :param meta: The extra information associated with the format """

        try:
            return self.registered_formats[type].get('meta')
        except KeyError:
            raise NotImplementedError("No format registered with type "
                                      "'{type}'".format(type=type))