save project

lv3.py

@@ -2,19 +2,24 @@
 import turtle
 screen=turtle.Screen()
 screen.bgcolor("light blue")
-pen1=turtle.Pen()
-pen1.penup()
-pen1.goto(100,-100)
-pen1.write("hi,一诺")
-pen1.hideturtle()
-pen1=turtle.Pen()
-pen1.pencolor("red")
-pen1.pensize(5)
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-pen1.hideturtle()
+pen=turtle.Pen()
+pen.penup()
+pen.goto(100,-100)
+len=screen.textinput("100","100")
+len=int(len)
+pen=turtle.Pen()
+pen.write("你好\nSB.",font=("Times",30,"normal"))
+pen.hideturtle()
+len=60
+pen.penup()
+pen.goto(100,100)
+pen.pendown()
+pen.pensize(5)
+pen.pencolor("red")
+pen.left(45)
+pen.forward(2*len)
+pen.circle(len,180)
+pen.right(90)
+pen.circle(len,180)
+pen.forward(2*len)
 turtle.done()
\ No newline at end of file