auto save

1.py

+import turtle
+pen=turtle.Pen()
+
+screen=turtle.Screen()
+screen.bgcolor('black')
+
+pen.speed(300)
+color=['red','blue','yellow','pink']
+
+for i in range(300):
+    pen.color(color[i%4])
+    pen.forward(i)
+    pen.left(91)
+
+pen.hideturtle()
+turtle.done()
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