How to append integers from file to list?

[deanhystad]

Why don't you explain it nicely like a normal person then?

I am being quite polite and respectful. I am assuming that you are capable of looking at the examples and thinking about what they are doing. I think you would eventually notice the values are separated by commas in the examples, but your test file doesn't have any commas. Then you would realize that the delimiter for your split command has to be a space. Or, in other words, don't blindly copy the example. Think about what it is doing. Apply the idea to solving your problem.