(def x 5)
(defn add-5 [y] (+ x y))
(println (add-5 5))
(defn change-x []
(def x 6))
(change-x)
(println (add-5 5))
KGRlZiB4IDUpCgooZGVmbiBhZGQtNSBbeV0gKCsgeCB5KSkKCihwcmludGxuIChhZGQtNSA1KSkKCihkZWZuIGNoYW5nZS14IFtdCiAgKGRlZiB4IDYpKQoKKGNoYW5nZS14KQoKKHByaW50bG4gKGFkZC01IDUpKQ==