save project

diy1.py

@@ -7,16 +7,16 @@ screen=turtle.Screen()
 screen.bgcolor("lightgreen")
 screen.bgcolor("lightgreen")
 pen.write("诺依\nturtle不好用\n有点麻烦",font=("Times",40,"normal"))
 pen.write("诺依\nturtle不好用\n有点麻烦",font=("Times",40,"normal"))
 pen.hideturtle()
 pen.hideturtle()
-
+len=60
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pensize(5)
 pen1.pensize(5)
 pen1.pencolor("red")
 pen1.pencolor("red")
 pen1.left(45) 
 pen1.left(45) 
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(len*2)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(len*2)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done()
 turtle.done()