import random

class Point:
    def __init__(self, x1, y1, x2, y2):
        self.x1 = x1
        self.y1 = y1
        self.x2 = x2
        self.y2 = y2

    def getpoint(self):
        print("点p1为（{}, {}）".format(d.x1, d.y1))
        print("点p2为（{}, {}）".format(d.x2, d.y2))

    def getdistance(self):
        distance = float((self.x2 - self.x1) ** 2 + (self.y2 - self.y1) ** 2) ** 0.5
        print("p1和p2间的距离为{}".format(distance))

d = Point(random.randint(-100, 100), 20 ,random.randint(-100, 100), 24)
d.getpoint()
d.getdistance()