zljubi...@gmail.com wrote at 2020-5-23 04:24 -0700:
>I have to talk to outer system by stdin/stdout.
>Each line that comes to stdin should be processed and its result returned back
>to stdout. Logging should go to stderr.
>
>How to design a class that will listed to stdin and call required methods in
>order to process the data?
Start by reading the Python tutorial
("https://docs.python.org/3/tutorial/index.html#tutorial-index";),
especially section 7.
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