save project

diy1.py

 import turtle
 import turtle
-screen=turtle.screen()
+screen=turtle.Screen()
 screen.bgcolor("light blue")
 screen.bgcolor("light blue")
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(-100,0)
 pen.goto(-100,0)
 pen.write("祝你生日快乐.",font=("Times",100,"normal"))
 pen.write("祝你生日快乐.",font=("Times",100,"normal"))
-
+pen1=turtle.Pen()
+pen1.pencolor("green")
+pen1.pensize(5)
+len=60
+pen1.left(45)
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len,180)
+pen1.forward(2*len)
+pen1.hideturtle()
+turtle.done()
\ No newline at end of file