save project

diy3.py

+import turtle
+pen = turtle.Pen()
+screen = turtle.Screen()
+colors = ["green","red","orange","yellow"]
+screen.bgcolor("black")
+for i in range(300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()