[MyMachine:cs170/Scheme] ./runschemeI A prototype evaluator for Scheme. Type Scheme expressions using quote, car, cdr, cons and symbol?. The function call (exit) quits. scheme> (quote (a b c)) (quote (a b c)) scheme> a a scheme> (quote (a b c)) (quote (a b c)) scheme> (cdr (quote (a b c))) (cdr (quote (a b c))) scheme> (car (cdr (quote (a b c)))) (car (cdr (quote (a b c)))) scheme> (cons (quote a) (quote b c)) (cons (quote a) (quote b c)) scheme> (cons (quote (a b c)) #f) (cons (quote (a b c)) #f) scheme> (car (cons (quote (a b c)) #f)) (car (cons (quote (a b c)) #f)) scheme> (symbol? a) (symbol? a) scheme> (symbol? (quote (a b c))) (symbol? (quote (a b c))) scheme> (exit) (exit) scheme> ^C [MyMachine:cs170/Scheme]