save project

huifuka.py

@@ -9,12 +9,14 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pencolor("red")
-len=60
+
+len=int(screen.textinput("发给","请输入半径"))
 pen1.left(45)
-pen1.forward(200)
-pen1.circle(100,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(100,180)
-pen1.forward(200)
+pen1.circle(len,180)
+
+pen1.forward(2*len)
 pen1.hideturtle()
 turtle.done()