# Hash's []= method replaces or adds key-value pairs to an existing hash. myHash = { 1 => "One", 2 => "Two", 3 => "Three", 4 => "Four",5 => "Five" } # You can use []= to add a pair to this array: myHash = { 1 => "One", 2 => "Two", 3 => "Three", 4 => "Four", 5 => "Five" } myHash[6]= "Six"