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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 create_distant_reference(self, ref_data):
 """Validate and create the reference in Zotero and return the created item."""

        self.validate_reference_data(ref_data)
        creation_status = self._zotero_lib.create_items([ref_data])
        try:
            created_item = creation_status["successful"]["0"]
            return created_item
        except KeyError as e:
            print(creation_status)
            raise CreateZoteroItemError from e