save project

diy1.py

@@ -3,10 +3,14 @@
 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
-
-
+screen=turtle.Screen()
+screen.bgcolor("black")
+color=["red","orange","yellw","green"]
 pen = turtle.Pen()
 pen = turtle.Pen()
-for i in range(1,50000000000000000000000000000000000000000000000000000000000000000000000000000000000000):
-    pen.forward(i+1)
+colos=turtje.Pen()
+    pen.forward(i)
+for i in range(1,50000):
+    pen.pencolor(color[i%4])
+    pen.forward(2)
     pen.right(91)
     pen.right(91)
 turtle.done()
 turtle.done()