save project

.py

@@ -19,10 +19,14 @@ print("欢迎来到贝尔编程")'''
 
 import turtle
 pen=turtle.Pen()
+screen = turtle.screen()
+screen.bgcolor("light pink")
+list=["red","pink","orange","yellow"]
 distance=1
+pen.speed(1000)
 for i in range(1,300,1):
-    pen.forward(distance)
-    distance+=1
+    pen.pencolor([i%4])
+    pen.forward(i)
     pen.right(91)
 pen.hideturtle()
 turtle.done()
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