auto save

diy1.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-pen=turtle.Screen()
-scre n.bgcolor("green")
-color["green","red","blue","yellow"]
+screen=turtle.Screen()
+screen.bgcolor("black")
+color=["green","red","blue","yellow"]
 # distance=1
 # distance=1
-for i in range(1,300,1):
+for i in range(1,300,2):
     pen.pencolor(color[i%4])
     pen.pencolor(color[i%4])
     pen.forward(i) 
     pen.forward(i) 
     pen.speed(100)
     pen.speed(100)