save project

diy1.py

@@ -3,12 +3,13 @@
 每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
 """
 import turtle
-
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen = turtle.Pen()
 # 请创造师在下面接着创作
 for i in range(1,300):
-    S
-    colors=["green","red","orange","violet"]
+    
+    colors=["green","red","orange","yellow"]
     pen.forward(i)
     pen.pencolor(colors[i%4])
     pen.right(91)