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file_io
程序中的数据在程序运行结束就会消失。那些需要在多次运行程序之间保持记录的数据(比如配置状态,用户信息等),或者是在程序结束后,依然可以使用的数据(比如计算结果等),都需要保存成文件。文件读写,一般总是要先打开一个文件,进行读写操作,然后关闭文件。
https://py.qizhen.xyz/file_io
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