save project

diy1.py

-"""
-使用turtle模块画图
-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
 
+
 pen = turtle.Pen()
-# 请创造师在下面接着创作
+colors=["red","green","yellow","orange"]
+screen = turtle.Screen()
+screen.bgcolor('black')
 for i in range(1,300):
+    pen.pencolor(colors[i%4])
     pen.forward(i)
     pen.right(91)
-# 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
\ No newline at end of file