#!/usr/bin/env python
from time import sleep
def slide(x1,y1,x2,y2,speed):
    if (x2 - x1):
        m = (y2 - y1)/float((x2 - x1))
        b = y1 - (m * x1)
    else:
        m = 0
    x = x1
    y = y1
    if m:
        while x <= x2:
            y = (m * x) + b
            x += speed
            sleep(0.008)
    else:
        while y <= y2:
            y += speed
            sleep(0.008)

slide(0,0,10,10,1)