save project

diy1.py

@@ -3,6 +3,8 @@ import turtle
 # pen.write("伊诺,\nturtle真好使. ",font=("KaiTi",30,"normal"))
 # pen.write("伊诺,\nturtle真好使. ",font=("KaiTi",30,"normal"))
 # pen.hideturtle()
 # pen.hideturtle()
 # turtle.done()
 # turtle.done()
+screen=turtle.Screen()
+screen.bgcolor("green")
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.left(45)
 pen1.left(45)
 pen1.forward(100)
 pen1.forward(100)