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
 import turtle
-
-
+c=['red','blue','yellow','green']
 pen = turtle.Pen()
 pen = turtle.Pen()
 pen.speed(1000)
 pen.speed(1000)
 for i in range(1,300):
 for i in range(1,300):
+    pen.color(c[i%4])
     pen.forward(i)
     pen.forward(i)
     pen.right(91)
     pen.right(91)
 # 隐藏画笔，保存画布
 # 隐藏画笔，保存画布