save project

diy1.py

@@ -4,7 +4,7 @@ import turtle
 screen=turtle.Screen()
 screen.bgcolor("light blue")
 len=screen.textinput("100","100")
-len=int(len)
+A=int(len)
 pen=turtle.Pen()
 pen.write("你好\n.",font=("Times",30,"normal"))
 pen.hideturtle()
@@ -16,7 +16,7 @@ pen.pensize(5)
 pen.pencolor("red")
 pen.left(45)
 pen.forward(2*len)
-pen.circle(len,180)
+pen.circle(A,180)
 pen.right(90)
-pen.circle(len,180)
-pen.forward(2*len)
+pen.circle(A,180)
+pen.forward(2*A)