inc.clj

(defn inc-all []
  (let [x '(1,2,3)]
    (println (map inc x))
    (println x)))

(inc-all)

inc.py

def inc(num):
    return num + 1

def inc_all():
    x = [1,2,3]
    print(map(inc,x))
    print(x)

inc_all()