Stacking of Local Bindings

New local bindings are independent of existing local bindings.

> (let ((x 1))

(let ((x 2))

(print x) ) ;Here X has 2 local bindings

(print x) ) ;Here X has only 1 local b.

2

1

> (define (fact x)

(if (= x 1) 1 (* x (fact (- x 1)))) )

> (fact 4) ;X will get 4 simultaneous bindings

24

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