用ChainOfCommand包实现Sublime Text单一快捷键执行多重命令

[ 
    {
        "keys":["f5"],
        "caption": "SublimeREPL: Python - RUN current file",
        "command": "run_existing_window_command", "args":
        {
            "id": "repl_python_run",
            "file": "config/Python/Main.sublime-menu"
        }
    }
]

{
        "keys":["f5"],
        "caption":"SublimeREPL: save & Python - RUN current file",
        "command":"chain",
        "args":
        {
            "commands":[
                ["save"],
                [ "run_existing_window_command",{"id": "repl_python_run","file": "config/Python/Main.sublime-menu"}]
            ]
        }
    }