save project

111.py

 import turtle
 import turtle
+len=80
 screen=turtle.Screen()
 screen=turtle.Screen()
 screen.bgcolor("green")
 screen.bgcolor("green")
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(100,-100)
 pen.goto(100,-100)
-
 pen.write("诺依,\nturtle真好用,\n我会在画布上写字啦!",font=("Times",10,"normal"))
 pen.write("诺依,\nturtle真好用,\n我会在画布上写字啦!",font=("Times",10,"normal"))
-
-
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pencolor("red")
 pen1.pensize(3)
 pen1.pensize(3)
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len*2)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(len*2)
 turtle.done()
 turtle.done()