Closure in Python

def calculator():
    result = 0

    def add(x):
        nonlocal result
        result += x

    def multiply(x):
        nonlocal result
        result *= x

    def get_result():
        return result

    return (add, multiply, get_result)


(add, multiply, get_result) = calculator()
(add1, multiply2, get_result2) = calculator()

add(1)
add(2)
multiply(2)
print(get_result())