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Perl. Anonymous arrays, hashes, subroutines. Closures
- 10. foreach my $key (keys (%$myhash)){ print $myhash->{$key},""; }
- 13. foreach my $hashkey (keys (%$hashhash)){ foreach my $key(keys (%{$hashhash->{$hashkey}})){ print $hashhash->{$hashkey}->{$key},""; } }