save project

diy1.py

@@ -4,10 +4,16 @@
 """
 import turtle
 pen = turtle.Pen()
+turtle.bgcolor("black")
+pen.speed(100)
+color=["red","orange","yellow","green",]
+
 # 请创造师在下面接着创作
 distance=1
+
 for i in range(1,300):
     pen.forward(i)
+    pen.pencolor(color[i%4])
     pen.right(91)
     distance+=1
 # 隐藏画笔，保存画布