save project

l.py

 import turtle
 pen=turtle.Pen()
-d=1
-for i in range(200):
-    pen.forward(d)
+screen = turtle.Screen()
+for i in range(0,300,1): 
+    color=["red","orange","yellow","green"]
+    pen.forward(i)
     pen.left(91)
-    d=d+1
+    colors[i%4]
 pen.hideturtle()
-turtle.done()
\ No newline at end of file
+turtle.done()