save project

jjb.py

 import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
 pen=turtle.Pen()
-#pen.write("回乡偶书\n【唐】贺知章\n少小离家老大回，\n乡音无改鬓毛衰，\n儿童相见不相识，\n笑问客从何处来。",font=("Times",30,"normal"))
-#pen.hideturtle()
-#turtle.done()
+pen.penup()
+pen.goto(-100,0)
+pen.write("祝你生日快乐！",font=("Times",30,"normal"))
+pen.hideturtle()
+turtle.done()
+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(2*len)
+pen.circle(len,180)
 pen.right(90)
-pen.circle(50,180)
-pen.forward(100)
-pen.hideturtle()
+pen.circle(len,180)
+pen.forward(2*len)
 turtle.done()
\ No newline at end of file