Pasted

import turtle
import background
import time
 
pycat = turtle.Turtle()
pycat.hideturtle()
screen = turtle.Screen()
image = ()
image = ["pycat_small_left.png","pycat_2_left_small.png"]
screen.addshape(image[0])
pycat.shape(image[0])
pycat.penup()
pycat.goto(-150,0)
pycat.showturtle()
pycat_2 = turtle.Turtle()
pycat_2.hideturtle()
 
screen.addshape(image[1])
pycat_2.shape(image[1])
pycat_2.penup()
pycat_2.goto(-140,0)
pycat_2.hideturtle()
 
# KIRJOITA TÄMÄN RIVIN ALAPUOLELLE OMA KOODISI
while True:
  pycat_2.showturtle()
  pycat.hideturtle()
  pycat.forward(20)
  time.sleep(0.5)
  pycat.showturtle()
  pycat_2.hideturtle()
  pycat_2.forward(20)
  time.sleep(0.5)