save project

diy1.py

@@ -2,7 +2,8 @@ import turtle
 pen=turtle.Pen() 
 pen.pensize(5)
 pen.pencolor('black')
-len=60
+s=turtle.Screen()
+len=int(s.textinput('提示','你要多大的？'))
 pen.left(45)
 pen.forward(len*2)
 pen.circle(len,180)