save project

diy1.py

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