auto save

diy1.py

 import turtle
-screen=turtle.Screen()
+
 pen=turtle.Pen()
-screen.bgcolor("black")
-colors=["red","yellow","blue","green"]
-for i in range(300):
-    pen.pencolor(colors[i%4])
-    pen.forward(i)
-    pen.right(91)
-pen.hideturtle()
+pen=turtle.Pen
+pen.forward(i)
+for i in range(1，300):)
+    pen.right(91))
 turtle.done()
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