both and /in our grammar)but we'll follow python ' lead here example - pp \lang\parser\testparser py ""###########################################################################parser test code ###########################################################################""def test(parserclassmsg)print(msgparserclassx parserclass(' ' parse( parse(' ' parse('( ' parse(' ( )' parse(' ( )' parse(' ( )' parse(' ' parse('( ' parse(' ( )' parse('((( )) 'allow different parsers like eval(' ' xis now true div /is not supported (yety parserclass( parse('set ' parse(' ' parse('set ' parse(' ' parserclass( parse('set ' parse('set ' parse(' ' parserclass( parse('pi' parse(' pi' parse(' 'def interact(parserclass)print(parserclassx parserclass(while truecmd input('enter='if cmd ='stop'break parse(cmdcommand-line entry correlate the following results to print call statements in the self-test modulec:\pp \lang\parserpython parser py parser text and language