def replace_array_item(data, old_item, new_item)
      data.map! {|item| (item == old_item) ? new_item : item}
    end
def replace_array_item(data, old_item, new_item)
      data.map! {|item| (item == old_item) ? new_item : item}
    end
Replaces an item in an array with a different one into the same position.