Question: Explain the evaluation of the following Scheme code: (define x 10) (define y 11) (define proc2 (lambda () (cons x (cons y '())))) (define proc1

Explain the evaluation of the following Scheme code: (define x 10)

Explain the evaluation of the following Scheme code: (define x 10) (define y 11) (define proc2 (lambda () (cons x (cons y '())))) (define proc1 (lambda (x y) (proc2))) (define main (lambda () (cond ((zero? (read)) (proc1 5 20)) (else (proc2))))) (main)

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