from math import sqrt,pow

class MyPoint:
    def __init__(self):
        self.x = 0.0
        self.y = 0.0
          
    def setX(self, x):
        self.x = x
    
    def setY(self, y):
        self.y = y
    
    def set(self, x, y):
        self.x = x
        self.y = y
        
    def distance(self, anotherpoint):
    	return sqrt(pow(self.x-anotherpoint.x,2)+pow(self.y-anotherpoint.y,2))