0. #lang racket
1.  
2. (define z 7)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)(define y 123)(define fun (let [(x 2) (y 3)]  (lambda (i) (+ x y z i))))(define l (fun))(l 12)

=>

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm

fun: arity mismatch;

the expected number of arguments does not match the given

number

expected: 1

given: 0

l: undefined;

cannot reference an identifier before its definition

in module: 'm