save project

dy.py

+import turtle
+screen=turtle.Screen()
+screen.bgcolor("green")
+pen=turtle.Pen()
+pen.write("你好，好久不见\n你还好吗",font=("Times",30,"normal"))
+pen.hideturtle()
+pen.penup()
+pen.goto(100,100)
+pen.pendown()
+pen.pensize(5)
+pen.pencolor("red")
+pen.left(45)
+pen.forward(100)
+pen.circle( 50,180)
+pen.forward(100)
+turtle.done()
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