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
+screen=turtle.Screen()
+screen.bgcolor('pink')
+colos=['red','blue','green','yellow']
+pen = turtle.Pen()
 
 
 
 
-pen = turtle.Pen()
-screen = turtle.Screen()
-import turtle
 
 
 pen=turtle.Pen()
 pen=turtle.Pen()
-while True:
     for i in range(300):
     for i in range(300):
+       pen.color(colos[i%4])
        pen.forward(i)
        pen.forward(i)
        pen.left(91)    
        pen.left(91)    
     i+=1
     i+=1