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  1. or download this
    my %hash_variable_with_not_actually_that_long_name = (one => 1);
    print $hash_variable_with_not_actually_that_long_name{one}, "\n";
    ...
    # output
    1
    1
    
  2. or download this
    $_ = 2;
    print $_, "\n";
    ...
    2
    1
    (empty, with 'uninit' warnings under -w)