save project

diy1.py

 import turtle
+
+screen = turtle.Screen()
+screen.bgcolor('green')
+
 pen=turtle.Pen()
 pen.write('你\n好',font=('Times',30))
 pen.pencolor('red')
@@ -8,4 +12,5 @@ pen.circle(50,180)
 pen.right(90)
 pen.circle(50,180)
 pen.forward(100)
+
 turtle.done()
\ No newline at end of file