save project

1.py

 import turtle
 pen=turtle.Pen()
 screen=turtle.Screen()
-screen.bgcolor("blue")
+screen.bgcolor("lightblue")
+pen.penup()
+pen.goto(0,-100)
 pen.write("爸爸妈妈：\n我学会了用turtle写字\npython真好玩",font=("times",20,"normal"))
 pen.hideturtle()
 len=60
-
+pen.goto(0,0)
+pen.pendown()
 pen.pensize(10)
 pen.pencolor("red")
-
 pen.left(45)
 pen.forward(len*2)
-pen.circle(30,180)
+pen.circle(len,180)
 pen.right(90)
-pen.circle(30,180)
+pen.circle(len,180)
 pen.forward(len*2)
 turtle.done
\ No newline at end of file