save project

1.py

 import turtle
 pen1=turtle.Pen()
+screen=turtle.Screen()
+len=int(screen.textinput("提示","请输入半径"))
+screen.bgcolor("pink")
 pen1.penup()
 pen1.goto(100,-100)
 pen1.write("诺伊,\nturle真好用,\n我会在画布上写字啦！",font=("Times",30,"normal"))
 pen1.hideturtle()
 pen=turtle.Pen()
-len=60
 pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)