save project

diy1.py

@@ -6,14 +6,14 @@ pen.goto(100,-100)
 pen.write("你好,我会用python了!",font=("Times",13,"normal"))
 screen=turtle.Screen()
 screen.bgcolor("blue")
-len=60
+len=screen.textinput("提示","你要多大的半径")
+lovesize=float(len)
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.color("red")
-pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*lovesize)
+pen1.circle(lovesize,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(lovesize,180)
+pen1.forward(2*lovesize)
 turtle.done()
\ No newline at end of file