class Curry:
    def __init__(self, func, args=None):
        self.func = func
        self.args = args or []

    def __call__(self, arg):
        return Curry(self.func, self.args + [arg])

    def ret(self):
        return self.func(*self.args)


def sum_args(*args):
    return sum(args)


def curry_sum(arg):
    return Curry(sum_args)(arg)


print("Result:", curry_sum(1)(2)(3).ret())
# 6

print("Result:", curry_sum(1)(4)(5)(10).ret())
# 20