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Valid_inputs1.txt
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Valid_inputs1.txt
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Run interpreter.py
Valid operations:
1) Arithmetic operations:
(+ 1 2) > 3
(- 2 1) > 1
(* 3 4) > 12
(/ 5 6) > 0.8333333
(expt 5 3) > 125
(abs -1) > 1
(modulo 10 3) > 1
(gcd 10 15) > 5
2) Comparison: > , >=, = , < , <= , 'equal?'
3) List operations:
(append (list 1 2) (list 3 4)) > [1, 2, 3, 4]
(car (list 1 2 3 4)) > 1
(cdr (list 1 2 3 4)) > [2, 3, 4]
(length (list 3 6 5 4)) > 4
(null? (cdr (list 1))) > True
(cons 3 (list 1 2 3)) > [3, 1, 2, 3]
(drop (list 1 2 3 4 5 6) 4) > [5, 6]
(take (list 6 5 4 3 2 1) 2) > [6, 5]
4) If statements:
(if (< 2 3) ("Yes") ("No")) > Yes
5) Conditional statements:
(cond [(< 1 0) "A"] [(= 2 3) "B"] [else "C"]) > "C"
(cond [(< 1 0) "A"] [(= 3 3) "B"]) > "B"
6) Definition:
(define a 10)
(define square (lambda (s) (* s s)))
(define (square s) (* s s))
(square a) > 100
7) Let* : Local binding
(let* ([x 2] [y (+ x 2)]) (* x y))
8) And and Or:
(and 1 2 3) > 3
(and 1 0 1) > False
(or 1 2 3) > True
(or 0 0 0 0) > False
9) When : guarded evaluation
(when (< 5 4) ("Error!")) > *No output*
(when (< 4 5) (* 4 5) (+ 4 5)) > 20
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