save project

diy1.py

@@ -3,14 +3,17 @@
 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
-
+s=turtle.Screen()
+s.bgcolor("black")
 p = turtle.Pen()
 p.speed(50)
 # 请创造师在下面接着创作
-distance=1
+c=["red","orange","yellow","green"]
+
 for i in range(1,100000000000001):
     p.forward(i)
-    
+    p.pencolor(c[i%4])
+    #p.pencolor("brown")
     p.right(91)
 # 隐藏画笔，保存画布
 p.hideturtle()