(let-values ([(a b) (partition (lambda (x) (zero? (bitwise-and x 2)))
                               (shuffle (range 16)))])
  (take (append-map list a b) (random 6 11)))

> undefined = 3
< 3
> undefined
< undefined

function f() { do shit.... return g(); }
function g() { do some other stuff idk }
var x = f()

function f() { do shit.... }
function g() { do some other stuff idk }
f()
var x = g()

class foo {
    for := "sfdkjasdkfhiwensdfhas"
}

#lang racket
(let*-values (
  [(side1 side2) (partition (lambda (x) (zero? (bitwise-and x 2))) (shuffle (range 16)))]
  [(chunks) (append-map list side1 side2)]
  [(rooms) (random 6 11)])
  (for ([chunk chunks] [room rooms])
    (displayln chunk)
  )
)

> (println (string-append "Hello, " (read) "!"))
"Andrew"
"Hello, Andrew!"
> (println (string-append "Hello, " (read) "!"))
123
|string-append: contract violation
|  expected: string?
|  given: 123
|  argument position: 2nd
|  other arguments...:
|   "Hello, "
|   "!"
|  context...:
|   P:\ath\to\Racket\collects\racket\private\misc.rkt:87:7

> (println (string-append "Hello, " (read-line (current-input-port) 'any) "!"))
"Hello, !"