auto save

diy.py

+import turtle
+pen = turtle.Pen()
+screen = turtle.Screen()
+screen.bgcolor("lightblue")
+color = ['red','blue','green','yellow']
+pen.speed(200)
+for i in range(1,300):
+    pen.pencolor(color[i%4])
+    pen.fd(i)
+    pen.rt(91)
+pen.hideturtle()
+turtle.done()
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