import os

proc put(str: string, ins: int, what: string): string =
    var a = str.substr(0, ins) & what & str.substr(ins)
    return a

echo put("!\"Dialz", 7, "_†#0069")

proc exec(str: string): void =
    discard os.execShellCmd(str)

exec("nim c -d:release ./main.nim")
exec("start ./main.exe")