save project

diy1.py

@@ -5,12 +5,15 @@
 import turtle
 # 请创造师在下面接着创作
 pen=turtle.Pen()
-
-for i in range(1,300):
+screen=turtle.Screen()
+screen.bgcolor("white")
+colors=["red","orange","green","yellow"]
+for i in range(1,1000):
+    pen.color(colors[i%4])
     pen.forward(i)
     pen.right(91)
     i+=1
-pen.hideturtle
+pen.hideturtle()
 turtle.done()    
 # 隐藏画笔，保存画布