save project

diy.py

 import turtle
 pen=turtle.Pen()
-for i in range(1，300) :
+screen=turtle.Screen()
+screen.bgcolor("black")
+color=["red","green","yellow","green"]
+for i in range(1,300):
+    pen.pencolor(color[i%4])
     pen.forward(i)
-    i+=1
-pen.hideturtle()
-turtle.done()
+    pen.right(91)
+turtle.hideturtle()
+turtle.done

diy.py1

+import turtle
+pen=turtle.Pen()
+

diy。p

+++ "b/diy\343\200\202p"