save project

diy1.py

@@ -6,15 +6,15 @@ pen=turtle.Pen()
 pen.penup()
 pen.penup()
 pen.goto(50,-50)
 pen.goto(50,-50)
 pen.write("你好",font=("Times",50,"normal"))
 pen.write("你好",font=("Times",50,"normal"))
-
+len=10
 pen1=turtle.Pen()
 pen1=turtle.Pen()
 pen1.pensize(17)
 pen1.pensize(17)
 pen1.pencolor("red")
 pen1.pencolor("red")
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 turtle.done()
 turtle.done()