fernando, 63 bytes

Result

WA

Duration

610ms

Code [DL]

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

stdin

AbCdEfgHIjKlMNoPQRSTUVWxYZ

stdout

101010011010110111111110111

stderr

strace

13    execve("/bin/sh", ["/bin/sh", "/root/script", "/volume/CODE"], 0x7ffe2ea88518 /* 9 vars */) = 0
14    execve("/bin/cat", ["cat", "-"], 0x7f11427aa260 /* 9 vars */ <unfinished ...>
15    execve("/usr/bin/python", ["/usr/bin/python", "/root/fernando.py", "/volume/CODE"], 0x7f11427aa368 /* 9 vars */ <unfinished ...>
14    <... 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    <... execve resumed>)             = 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=8, si_stime=3} ---
13    +++ exited with 0 +++