myHash = { 1920 => "value for 1920", 1925 => "value for 1925", 1934 => "value for 1934" }fitz = myHash.to_hash # => {1925=>"value for 1925", 1920=>"value for 1920", 1934=>"value for 1934"}fitz.object_id # => 1745050myHash.object_id # => 1745050