Chapter 4 return value for decode_base58 function

[derekpa]

Currently in Chapter 4.

The decode_base58 function in helper.py returns the value combined[1:-4]

Why is it not combined[:-4]? Why are you also slicing off the first byte? I assume this is not an error since the code in future chapters is the same, but it makes no sense to me.

Unless is this to remove a prefix (flag) later on? But then this seems an odd place to do it.

Thanks

[derekpa]

Closing my old question.

It removes the prefix before returning was the answer.