def spasser(inbox, s=None):
seq = (s or list(range(len(inbox))))<EOL>return [input_ for i, input_ in enumerate(inbox) if i in seq]<EOL>
Passes inputs with indecies in s. By default passes the whole inbox.

Arguments:

  - s(sequence) [default: ``None``] The default translates to a range for
    all inputs of the "inbox" i.e. ``range(len(inbox))``