- 내가 원하는 것 - 파이썬처럼 f"{variable_name}" + "HI" + " " 하기 OCAML Tutorial 18/33: The String Module in OCAML - YouTube # String.length "String";; - : int = 6 # let s = "we are checking the String module";; val s : string = "we are checking the String module" # String.length s;; - : int = 33 # String.sub s 3 3 ;; - : string = "are" # String.sub s 3 12;; - : string = "are checking" # "this"^" "^"is";; -..