save project

diy1.py

 
 
 import turtle
-screen.bg(brabk)
+screen=turtle.Screen()
+screen.bgcolor("black")
 pen = turtle.Pen()
-pen.pencolor("red")
+#pen.pencolor("red")
 # 请创造师在下面接着创作
+a=["red","orange","yellow","green"]
 
 for i in range(1,301):
-    i=[]
+    
+    pen.pencolor(a[i%4])
     pen.forward(i)
     pen.right(91)
 # 隐藏画笔，保存画布