save project

my_tree.py

@@ -16,12 +16,12 @@ pen.forward(100)
 pen.right(30)
 pen.forward(50)
 pen.up()
-pen.backward(60)
+pen.backward(50)
 pen.down()
 pen.left(60)
 pen.forward(50)
 pen.up()
-pen.backward(60)
+pen.backward(50)
 pen.down()
 pen.right(30)
 pen.up()