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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 read(self, file_path):
 # type: (str) -> Timezone """ Read a zoneinfo structure from the given path. :param file_path: The path of a zoneinfo file. """

        if not os.path.exists(file_path):
            raise InvalidZoneinfoFile("The tzinfo file does not exist")

        with open(file_path, "rb") as fd:
            return self._parse(fd)