use warnings;
use strict;

my $array_ref = [
    [ '0.93', 'a1', 'b1' ],
    [ '0.89', 'a2', 'b2' ],
    [ '0.88', 'a3', 'b3' ],
    [ '0.87', 'a4', 'b4' ],
    [ '0.86', 'a5', 'b5' ]
];

for my $val (@$array_ref) {
    for ( 1 .. $#$val ) {
        print $val->[$_], $/;
    }
}