First, I just want to state for the record that this is an awesome question. Did the "homework" then presented the findings. I think folk here appreciate that kind of thoughtfulness and interest in learning. Second, my favorite tool for learning new ways to do things in Perl is Data::Dumper.

use Data::Dumper;

my @array = #something or other . . .

print Dumper @array;

print Dumper \@array; #for a different form of output (array reference
+)

print Dumper $alsoanarrayreference;

print Dumper $PrettyMuchAnything #because the output can be enlighteni
+ng
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