save project

diy1.py

@@ -5,11 +5,12 @@
 import turtle
 
 pen = turtle.Pen()
-scveen=turtle.scveen()
-scveen._(black)
-colovs["red","orange","yellow","green"]
+screen=turtle.Screen()
+screen.("black")
+colors=["red","orange","yellow","green"]
 # 请创造师在下
 for i in range(1,200):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(121)
 # 隐藏画笔，保存画布