save project

bug.py

@@ -4,16 +4,16 @@ screen.bgcoler("light blue")
 pen=turtle.pen()
 pen=turtle.pen()
 Pen.write("hi，诺伊\npython")
 Pen.write("hi，诺伊\npython")
 pen.hideturtle()
 pen.hideturtle()
-                              
 pen1=turtle.pen()
 pen1=turtle.pen()
 pen1.pencolor("red")
 pen1.pencolor("red")
 pen1.pensize(5)
 pen1.pensize(5)
+len=60
 pen1.left(45)
 pen1.left(45)
-pen1.forward(100)
-pen1.circie(50,180)
+pen1.forward(2*len)
+pen1.circie(len,180)
 pen1.right(90)
 pen1.right(90)
-pen1.circie(50,180)
-pen1.forward(100)
+pen1.circie(len,180)
+pen1.forward(2*len)
 pen1.hideturtle()
 pen1.hideturtle()
 turtle.done() 
 turtle.done()