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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setup_readline(self):
 """ Configure our tab completion settings for a context and then restore them to previous settings on exit. """

        readline.parse_and_bind('tab: complete')
        completer_save = readline.get_completer()
        delims_save = readline.get_completer_delims()
        delims = set(delims_save)
        delims |= self.completer_delim_includes
        delims -= self.completer_delim_excludes
        readline.set_completer(self.completer_hook)
        try:
            readline.set_completer_delims(''.join(delims))
            try:
                yield
            finally:
                readline.set_completer_delims(delims_save)
        finally:
            readline.set_completer(completer_save)