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  1. or download this
    # USING PREDECLARATIONS IT FAILS
my $x="";
...
foreach $item (keys %{$x2}) {
  print "ELEMENTS: $item, $x2->{$item}\n";
}
  2. or download this
    WITH PREDECLS
ELEMENTS: NONE, NONE
...

WITHOUT PREDECLS
ELEMENTS: FISH2, FISH2