def call(self, *arguments):
        """
        ``arguments`` is a single list of strings.
        """
        call_with = ['tarsnap']
        for option in self.options:
            key = option[0]
            pre = "-" if len(key) == 1 else "--"
            call_with.append((pre, key) % "%s%s")
            for value in option[1:]:
                call_with.append(value)
        call_with.extend(arguments)
        return self._exec_tarsnap(call_with)
dataset/ETHPy150Open miracle2k/tarsnapper/src/tarsnapper/script.py/TarsnapBackend.call/swapped operands of `%`