save project

diy1.py

@@ -6,8 +6,11 @@ import turtle
 
 pen = turtle.Pen()
 # 请创造师在下面接着创作
-
+e=turtle.Screen()
+e.bgcolor('black')
+q=['red','yellow','green','blue']
 for i in range(1,300,3):
+    pen.pencolor(q[i%4])
     pen.forward(i)
     pen.right(91)
 # 隐藏画笔，保存画布