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  1. or download this
    chomp;
    (my $k, my @v) = /(\S*\s*\S*\s*)(\S*\s*\S*\s*)/;
    push @{$h{$k}} , shift @v;
    
  2. or download this
    foreach my $key (sort keys %h) {
        print "$key";
    ...
        }
        print "\n";
    }