code: def get_item_admin_session_for_bank(self, bank_id, proxy):
          
          if not self.supports_item_admin():
              raise errors.Unimplemented()
          ##
          # Also include check to see if the catalog Id is found otherwise raise errors.NotFound
          ##
          # pylint: disable=no-member
          return sessions.ItemAdminSession(bank_id, proxy, self._runtime)
docs: Gets the ``OsidSession`` associated with the item admin service for the given bank.
  
          arg:    bank_id (osid.id.Id): the ``Id`` of the bank
          arg:    proxy (osid.proxy.Proxy): a proxy
          return: (osid.assessment.ItemAdminSession) - ``an
                  _item_admin_session``
          raise:  NotFound - ``bank_id`` not found
          raise:  NullArgument - ``bank_id`` or ``proxy`` is ``null``
          raise:  OperationFailed - ``unable to complete request``
          raise:  Unimplemented - ``supports_item_admin()`` or
                  ``supports_visible_federation()`` is ``false``
          *compliance: optional -- This method must be implemented if
          ``supports_item_admin()`` and ``supports_visible_federation()``
          are ``true``.*