import random
class Point:
    def setx(self,xcoord):
        self.x = xcoord
    def sety(self,ycoord):
        self.y = ycoord
    def get(self):
        return (self.x,self.y)
    def move(self,dx,dy):
        self.x += dx
        self.y += dy
    def getx(self):
        return self.x
    def gety(self):
        return self.y
def calculate(a,b):
    x1 = a.getx()
    y1 = a.gety()
    x2 = b.getx()
    y2 = b.gety()
    direction = ((x1-x2)**2+(y1-y2)**2)**(1/2)
    return direction
p1 = Point()
p1.setx(random.randint(0,10))
p1.sety(9)
print('p1的坐标为:{}'.format(p1.get()))
p2 = Point()
p2.setx(random.randint(0,10))
p2.sety(3)
print('p2的坐标为:{}'.format(p2.get()))
distance = calculate(p1,p2)
print('p1与p2之间的距离为{0:.2f}'.format(distance))