my $address{Bernd} = {
You don't need to explicitly declare hash entries. If you remove my, the hash entry "Bernd" will be assigned to a hash reference without a compilation error.

If you have not read perlreftut yet, I would recommend to read it. Perl data structures became clear to me after I read this perldoc page.

Sorry if my advice was wrong.

In reply to Re: Regarding Initialization and Use of Hashes by aitap
in thread Regarding Initialization and Use of Hashes by Zaemz

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