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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 _parse_relationship(self):
 """Nodes have Relationships, and similarly to properties, we set it as an attribute on the Organization so we can make calls like company.current_team person.degrees """

        rs_dict = self.data.get('relationships', {})
        for rs_name in self.KNOWN_RELATIONSHIPS:
            if rs_name in rs_dict:
                setattr(
                    self, rs_name, Relationship(rs_name, rs_dict.get(rs_name)))
            else:
                # fill in other relationships with None values
                setattr(self, rs_name, NoneRelationshipSingleton)