save project

1.py

 import turtle
 pen=turtle.Pen()
-for i in range(1,300,4):
+pen.shape("turtle")
+screen=turtle.Screen()
+screen=screen.bgcolor("black")
+colors=["red","blue","pink","yellow"]
+for i in range(1,300):
+    pen.pencolor(colours[i%4])
     pen.forward(i)
     pen.right(91)
 turtle.hideturtle()