save project

diy1.py

 import turtle
 
-pen=turtle.Pen()
-scree
+pen = turtle.Pen()
+screen  = turtle.Screen()
+screen.bgcolor("black")
+colors=["blue","red","orange","yellow"]
 pen.speed(0)
 for i in range(1,301):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
-pen.hideturtle()
+turtle.hideturtle()
 turtle.done()
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