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  1. or download this
    use strict;
use warnings;
...

__END__
'three' => '3', 'one' => '1', 'foo' => '$foo', 'two' => '2'
  2. or download this
    use strict;
use warnings;
...
);

print "'$_' => '$ahash{$_}', " for keys %ahash;
  3. or download this
    Global symbol "$foo" requires explicit package name at G:\x.pl line 6.
Execution of G:\x.pl aborted due to compilation errors.
  4. or download this
    use strict;
use warnings;
...

__END__
three, 3, one, 1, two, 2