More ' b ' , append " bba "
if ( A < B ) : NEW_LINE INDENT if ( 0 < B ) : NEW_LINE INDENT rt = rt + ' b ' NEW_LINE B -= 1 NEW_LINE DEDENT if ( 0 < B ) : NEW_LINE INDENT rt += ' b ' NEW_LINE B -= 1 NEW_LINE DEDENT if ( 0 < A ) : NEW_LINE INDENT rt += ' a ' NEW_LINE A -= 1 NEW_LINE DEDENT DEDENT