```ruby
module OMDB
  class Client

    include HTTParty
    base_uri OMDB::Default::API_ENDPOINT

    def title(title)
      get '/', { t: title }
    end

    def search(query)
      (get '/', { s: query }).search
    end

    private

      def convert_hash_keys(value)
        case value
        when Array
          value.map { |v| convert_hash_keys(v) }
        when Hash
          Hash[value.map { |k, v| [k.to_snake_case.to_sym, convert_hash_keys(v)] }]
        else
          value
        end
      end

      def get(url, params={})
        request = self.class.get '/', query: params
        convert_hash_keys(JSON.parse(request.parsed_response))
      end
  end
end```

Add title retrieval by IMDb ID. Change search method to find.
user
```ruby
module OMDB
  class Client

    include HTTParty
    base_uri OMDB::Default::API_ENDPOINT

    def title(title, year=nil)
      get '/', { t: title }
    end

    def find_by_id(imdb_id) 
      return get '/', { i: imdb_id } if imdb_id.start_with?('tt')
      puts "Invalid IMDb ID."
    end

    def find(title)
      (get '/', { s: title }).search
    end

    private

      def convert_hash_keys(value)
        case value
        when Array
          value.map { |v| convert_hash_keys(v) }
        when Hash
          Hash[value.map { |k, v| [k.to_snake_case.to_sym, convert_hash_keys(v)] }]
        else
          value
        end
      end

      def get(url, params={})
        request = self.class.get '/', query: params
        convert_hash_keys(JSON.parse(request.parsed_response))
      end
  end
end```
assistant