def set_attr(input)
      @name = input[:name] if input[:name]
      @guesses = input[:guesses] if input[:guesses]
      @time_taken = input[:time_taken] if input[:time_taken]
      @date_played = input[:date_played] if input[:date_played]
    end
def set_attr(input)
      @name = input[:name] if input[:name]
      @guesses = input[:guesses] if input[:guesses]
      @time_taken = input[:time_taken] if input[:time_taken]
      @date_played = input[:date_played] if input[:date_played]
    end
attr_accessor :name, :trials, :time_taken, :date_played