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python实现cmd执行命令并能通过某个按键不断查询状态?

在cmd中执行xxx命令,然后进程处于执行状态,这时候这个命令在控制台打印请输入s键进行状态的查询,然后我不断通过s键能在控制台里面看到信息的输出,我用python实现段需求,通过process=subprocess.Popen创建进程,然后使用该进程对象process.stdin.write('s'),往该进程的输入中写入s,这时候发现process这个进程没有得到s的相应输出,如果我想实现键盘按键查询该如何修改,大哥们给个思路吧


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