save project

bug.py

 import turtle
 
 pen=turtle.Pen()
-for i in range(1,301):
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["green","orange","yellow","red"]
+for i in range(1,302,3):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
 pen.hideturtle()