def minus():
    a = 3
    b = 2
    return a, b

def summer():
    c, d = minus()
    sum = c+d
    print(f"sum: {sum}")

summer()


def minus():
    a = 3
    b = 2
    return [a, b]

def summer():
    tall = minus()
    sum = tall[0] + tall[1]
    print(f"sum: {sum}")

summer()