return a value for a given key (one key only) with the index method : index « Hash « Ruby






  1. Ruby
  2. Hash
  3. index

return a value for a given key (one key only) with the index method


zip = { 1 => "One", 2 => "Two", 3 => "Three",
4 => "Four", 5 => "Five", 6 => "Six", 7 =>
"Seven", 8 => "Eight", 9 => "Eight" }


zip.index "Three" # => 3








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