code: def set_password(self, admin, new_password, old_password):
          
          return self.set_admin(admin, password=new_password,
                                old_password=old_password)
docs: Set an admin's password.
  
          :param admin: Name of admin whose password is to be set.
          :type admin: str
          :param new_password: New password for admin.
          :type new_password: str
          :param old_password: Current password of admin.
          :type old_password: str
  
          :returns: A dictionary mapping "name" to admin.
          :rtype: ResponseDict