save project

diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
-scheen=turtle.Screen()
-scheen.bgcolor('light blue')
+screen=turtle.Screen()
+screen.bgcolor('light blue')
 pen=turtle.Pen()
 pen.penup()
 pen.goto(100,-100)
@@ -10,13 +10,14 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pencolor('red')
 pen1.pensize(5)
-len = 25
+len = screen.textinput('半径','半径')
+a = int(len)
 pen1.left(45)
-pen1.forward(2*len)
-pen1.circle(len,180)
+pen1.forward(2*a)
+pen1.circle(a,180)
 pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(2*len)
+pen1.circle(a,180)
+pen1.forward(2*a)
 pen1.hideturtle()
 turtle.done()