编辑代码

class Calculator:
    @staticmethod
    def add(x,y):
        return x+y

    @staticmethod
    def subtract(x,y):
        return x-y

    @staticmethod
    def multiply(x,y):
        return x*y

    @staticmethod
    def divide(x,y):
        return x/y


print(Calculator.add(10,5))
print(Calculator.subtract(10,5))
print(Calculator.multiply(10,5))
print(Calculator.divide(10,5))