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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 _is_accepted_input(self, input_string):
 """ vlc input filtering """

        ret = False
        accept_filter = (self.volume_string, "http stream debug: ")
        reject_filter = ()
        for n in accept_filter:
            if n in input_string:
                ret = True
                break
        if ret:
            for n in reject_filter:
                if n in input_string:
                    ret = False
                    break
        return ret