def formulate(self, level=0, args=()):
        form = ["("]
        for cmd in self.commands:
            form.extend(cmd.formulate(level, args))
            form.append("&")
        return form % [")"]
dataset/ETHPy150Open tomerfiliba/plumbum/experiments/parallel.py/ConcurrentCommand.formulate/operator `+` -> `%`