save project

diy1.py

 import turtle
 import turtle
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
-for i in range(1,300):
+screen=turtle.Screen()
+screen.bgcolor("bleak")
+colors=["red","orange","blue","green"]
+for i in range(1,300,1):
    pen.forward(i)
    pen.forward(i)
+   pen.pencolor(colors[i%4])
    pen.right(91)
    pen.right(91)