This only happens in DrRacket.

On Wednesday, May 20, 2020 at 1:16:44 PM UTC+8, Rock Nie wrote:
>
> I am running the system procedure in drracket's interactive window
> (system "test.py")
>
> where test.py is
> #!/home/utils/Python-3.8.0/bin/python3
> import os
>
> print("Running cmd: date1")
> print("Running cmd: date2")
> os.system("date")
> print("Running cmd: date3")
> os.system("date")
>
> and the output is
> Tue May 19 22:14:19 PDT 2020
> Tue May 19 22:14:19 PDT 2020
> Running cmd: date1
> Running cmd: date2
> Running cmd: date3
> #t
>
> which is different from my expectation, can anyone help explain why?
>
>

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