Python - 帶參數的方法

標籤：

import mathclass Point:    def move(self, x, y):        self.x = x        self.y = y    def reset(self):        self.move(0, 0)    def calculate_distance(self, other_point):        return math.sqrt(                (self.x - other_point.x)**2 +                (self.y - other_point.y)**2)# how to use it:point1 = Point()point2 = Point()point1.reset()point2.move(5,0)print(point2.calculate_distance(point1))assert (point2.calculate_distance(point1) == point1.calculate_distance(point2))point1.move(3,4)print(point1.calculate_distance(point2))print(point1.calculate_distance(point1))

 

運行結果:

5.0
4.47213595499958
0.0

 

Python - 帶參數的方法