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<cl> (scheme-interpreter)
==> 1
1 
==> 2
2 
==> 3
3 
==> (begin 1 2 3)
3 
==> (begin (car '(a b c)))
A 
==> (car '(a b c))
A 
==> ((if (= (+ 1 1) 2) list cons) 'a 'b)
(A B)