fish, 13 bytes

Result

AC

Duration

1342ms

Code [DL]

ii|ao~!?=i:i~

stdin

939 734
662 226
455 254
248 969
822 245
726 223
769 551
861 764
679 284
669 197
733 931
119 466
944 997
811 499
412 226
855 543
421 126
725 519
734 381
211 764
582 884
256 346
484 848
843 345
426 553
558 515
788 889
967 275
943 328
677 449
566 663
549 491

stdout

9
2
5
8
2
2
5
1
9
9
3
9
9
1
2
5
1
5
4
1
8
6
4
3
5
8
8
7
3
4
6
9

stderr

something smells fishy...

strace

11    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe2b5406f0 /* 7 vars */) = 0
12    execve("/bin/cat", ["cat", "-"], 0x561631002d68 /* 7 vars */ <unfinished ...>
13    execve("/usr/bin/python3", ["/usr/bin/python3", "/root/fish.py", "/volume/CODE"], 0x5616329b4028 /* 7 vars */ <unfinished ...>
12    <... execve resumed>)             = 0
13    <... execve resumed>)             = 0
12    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
13    +++ exited with 0 +++
11    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=6, si_stime=2} ---
11    +++ exited with 0 +++