fish, 10 bytes

Result

AC

Duration

870ms

Code [DL]

ii|o@?-i:i

stdin

288 883
122 264
576 658
919 192
946 434
175 176
122 882
171 112
613 336
866 628
293 995
722 331
866 697
699 998
814 117
173 445
468 486
783 978
837 198
565 159
873 721
914 146
173 324
733 483
156 659
499 698
255 131
477 172
739 161
992 199
559 443
967 768

stdout

8  2 6 9 6 58 1 3  69 3  69 1 4  8 3 7 5 3 4 3 3 6 9 5 7 9 24  7

stderr

something smells fishy...

strace

10    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe90554490 /* 7 vars */) = 0
11    execve("/bin/cat", ["cat", "-"], 0x562b949a5d68 /* 7 vars */ <unfinished ...>
12    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x562b967b8028 /* 7 vars */ <unfinished ...>
11    <... execve resumed>)             = 0
12    <... execve resumed>)             = 0
11    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
12    +++ exited with 0 +++
10    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=5, si_stime=3} ---
10    +++ exited with 0 +++