题解 | #重载运算#

class Coordinate:
    def __init__(self,x,y) -> None:
        self.x = x
        self.y = y
    def __str__(self):
        print(f'({self.x}, {self.y})')
    def __add__(self,c):
        return Coordinate(self.x+c.x,self.y+c.y)

a,b = map(int,input().split())
c,d = map(int,input().split())
c1 = Coordinate(a,b)
c2 = Coordinate(c,d)
c3 = c1.__add__(c2)
c3.__str__()