cara mendapatkan elemen skema pasangan
#cons constructs a pair
(car (cons 1 2)) #This yeilds 1
(cdr (cons 1 2)) #This yeilds 2
Lil Uzi
#cons constructs a pair
(car (cons 1 2)) #This yeilds 1
(cdr (cons 1 2)) #This yeilds 2