save project

3.py

 import turtle
 import turtle
 pen=turtle.Pen()
 pen=turtle.Pen()
-diftance=10
-for i in range(300):
-    pen.forward(diftance)
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["green","red","orange","yellow"]
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
     pen.right(91)
     pen.right(91)
-    diftance+=1
-screen.hideturtle()
-turtle.done()
+  
+turtle.hideturtle()
+turtle.done()
\ No newline at end of file