fernando, 41 bytes

Result

WA

Duration

691ms

Code [DL]

r
0 0 r r 0 0 0 a
_ _ r a _ _ _ _ _
a a
r

stdin

aBCDEfgHIJKLMNOPQRSTuVWXYZ

stdout

01111001111111111111011111

stderr

strace

13    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffc5b40f948 /* 9 vars */) = 0
15    execve("/usr/bin/python", ["/usr/bin/python", "/root/fernando.py", "/volume/CODE"], 0x7fa14536d368 /* 9 vars */ <unfinished ...>
14    execve("/bin/cat", ["cat", "-"], 0x7fa14536d260 /* 9 vars */) = 0
15    <... execve resumed>)             = 0
14    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
15    +++ exited with 0 +++
13    --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=10, si_stime=2} ---
13    +++ exited with 0 +++