Checking Equivalence Demo (equal?e1 e2)checks if el and e2 evaluate to equivalent values ●Like=in Python ●(null？expr)is like(equal？expr ni1) (eq?e1 e2)checks if el and e2 evaluate to identical values ●Like is in Python Only matters for lists (e1 e2)only works for numbersChecking Equivalence (equal? e1 e2) checks if e1 and e2 evaluate to equivalent values ● Like == in Python ● (null? expr) is like (equal? expr nil) (eq? e1 e2) checks if e1 and e2 evaluate to identical values ● Like is in Python ● Only matters for lists (= e1 e2) only works for numbers Demo