Chris:
> It doesn't actually take a list of arguments; the square brackets
indicate that arg is optional here.
Oh, I see, it seems that I mistunderstood the document.
> but for anything more complicated, just print and then exit.
> It's worth noting, by the way, that sys.exit("error message") will
> print that to STDERR, not to STDOUT, which mean that the equivalent
> is:
Yes, I know, but don’t you think if `sys.exit` can take more parameters and
have a default output channel selection strategy will be better?
Thanks.
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