code: def to_dict(self):
          
          person = {}
          if self.contact_type:
              person["contact_type"] = self.contact_type
          if self._email_address:
              person["email_address"] = self._email_address
          if self.given_name:
              person["given_name"] = self.given_name
          if self.sur_name:
              person["sur_name"] = self.sur_name
          return person
docs: Returns a dictionary representation of the ContactPersonDesc.
          The format is the same as a pysaml2 configuration for a contact person.
          :rtype: dict[str, str]
          :return: A dictionary representation