auto save

demo.py

 import turtle
 pen = turtle.Pen()
 screen = turtle.Screen()
-screen.bgcolor("light pink")
-colors = ["black","blue","green","orange"]
-pen.speed(1000)
-dinstance = 1
-for i in range(1,300):
-    dinstance += 1
-    pen.forward(dinstance)
-    pen.pencolor(colors[i%4])
+distance = 1
+screen.bgcolor("pink")
+for i in range(30):
+    pen.forward(i)
     pen.right(91)
 pen.hideturtle()
 turtle.done()
-