save project

diy1.py

@@ -5,12 +5,13 @@
 import turtle
 
 pen = turtle.Pen()
+screen = turtle.Screen()
 pen.speed(0)
-# 请创造师在下面接着创作
-distance=1
+screen.bgcolor("black")
+colors=["red","orange","yellow","green","black","cyan","violet"]
 for i in range(1,400):
+    pen.pencolor(colors[i%6])
     pen.forward(i)
-    distance+=1
     pen.right(91)
 # 隐藏画笔，保存画布
 pen.hideturtle()