auto save

diy1.py

@@ -3,14 +3,12 @@
 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
 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
 import turtle
-
+x=turtle.Screen()
+x.bgcolor("black")
 pen = turtle.Pen()
 pen = turtle.Pen()
-# 请创造师在下面接着创作
-
-
-
-
-
-# 隐藏画笔，保存画布
-pen.hideturtle()
+colors=["red","yellow","blue","green"]
+for i in range(1,1000):
+    pen.forward(i)
+    pen.pencolor(colors[i%4])
+    pen.right(91)
 turtle.done()
 turtle.done()
\ No newline at end of file