in reply to problem with Array of Arrays

It's considered good form to post what's not working for you (How do I post a question effectively?), but one answer is: 
for my $row (@AoA) {
    say $row->[1];
}

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See ARRAYS OF ARRAYS, and maybe perllol, perldata, perlreftut, and/or perlref for additional info.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

In Section Seekers of Perl Wisdom