save project

bug.py

 import turtle
 
 pen=turtle.Pen()
-distance=1
-for i in range(299):
-    pen.forward(distance)
+colors=["green","red","orange","yellow"]
+screen=turtle.Screen()
+screen.bgcolor("black")
+for i in range(1,299):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
     pen.right(91)
-    distance+=1
-pen.forward(distance-10)
+pen.pencolor("yellow")
+pen.forward(i-10)
 pen.right(91)
 pen.hideturtle()
 turtle.done()