save project

diy1.py

 import turtle
 import turtle
 pen1=turtle.Pen()
 pen1=turtle.Pen()
-len=50
 screen=turtle.Screen()
 screen=turtle.Screen()
-screen.bgcolor("blue")
+len=screen.textinput("e","多大")
+lonesize=int(len)
 pen1.left(45)
 pen1.left(45)
-pen1.forward(len)
-pen1.circle(len/2,180)
+pen1.forward(lonesize)
+pen1.circle(lonesize,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(len/2,180)
-pen1.forward(len)
+pen1.circle(lonsize,180)
+pen1.forward(lonesize)
 pen1.hideturtle()
 pen1.hideturtle()
 pen=turtle.Pen()
 pen=turtle.Pen()
 pen.penup()
 pen.penup()