Thank you so much. If you can be a little bit more patient with me, how do I print them in the following format without using data dumper? 
print $ref->{c};        # This gave me 55 which is what I want.

foreach my $i ($ref->@a) {
    print $i;           # I want to see the content of the array, this
+ gave me an error.
} 

foreach my $i ($ref->%b} {
    print $i;           # I want to see the content of the hash.
}

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In reply to Re^2: How to Print Return Data from Subroutine by Anonymous Monk
in thread How to Print Return Data from Subroutine by bichonfrise74

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