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1.请问下python test.py -h 127.0.0.1 -port 3306像这种方式是如何编写脚本实现这种方式传参的呢 ,而不是python test.py 127.0.0.1 3306

2.我想写一个test.py --help的帮助文档是怎么写的呢,主要是对-h 和 -port这两个参数做解释### 问题描述


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你需要的是命令行解析库,python标准库 argparse模块包含了用于创建命令行参数和选项程序的工具,它在 Python 2.7 中就已经加入。


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