how to pass unction in scheme
/* Scheme code example for passing multiple function into a function) */
(define (square x) (* x x))
(define (mul_two x) (* 2 x))
(define (new_fun fun1 fun2) (lambda (x) (fun2 (fun1 x))))
/* The line below is to run the code in scheme */
((new_fun square mul_two) 10)