save project

bug.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-for i in range(300):
+screen=turtle.Screen()
+
+color=["red","orange","yellow","green"]
+for i in range(1,300):
+    pen.pencolor(color[i%4])
     pen.forward(i+1)
     pen.forward(i+1)
     pen.right(91)
     pen.right(91)
 turtle.done()
 turtle.done()
\ No newline at end of file