def get_my_assessment_taken_session_for_bank(self, bank_id=None):
if bank_id is None:<EOL><INDENT>raise NullArgument<EOL><DEDENT>raise Unimplemented()<EOL>
Gets a ``MyAssessmentTakenSession`` to retrieve assessments taken for the current agent for the given bank ``Id``.

        arg:    bank_id (osid.id.Id): the ``Id`` of a bank
        return: (osid.assessment.MyAssessmentTakenSession) - a
                ``MyAssessmentTakenSession``
        raise:  NotFound - ``bank_id`` not found
        raise:  NullArgument - ``bank_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_my_assessment_taken()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_my_assessment_taken()`` is ``true``.*