save project

1.py

 import turtle 
 import turtle 
 #背景颜色
 #背景颜色
 screen=turtle.Screen()
 screen=turtle.Screen()
-screen.bgcolor(grey)
+screen.bgcolor("grey")
 #写字
 #写字
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()