class BaseballTeam

  def initialize()
    @line_up = {  1 => { 'Aviles' => 'SS' },
                  2 => { 'Pedroia' => '2B' },
                  3 => { 'Youkilis' => '1B' },
                  4 => { 'Ortiz' => 'DH' },
                  5 => { 'Middlebrooks' => '3B' },
                  6 => { 'Gonzalez' => 'OF' },
                  7 => { 'Saltalamacchia' => 'C' },
                  8 => { 'McDonald' => 'OF' },
                  9 => { 'Byrd' => 'OF' },
                  0 => { 'Lester' => 'P' }
                }

  end

  def get_lineup()
    @line_up
  end

  def batting_order
    order = []
    @line_up.each do |key,player|
      if player.values != ["P"]
        order << player.keys.join("")
        #puts "#{player.keys.join("")} is a pitcher!"
      end
    end
    order
  end

  def substitution(number, player)
    if @line_up[number].values == player.values
      @line_up[number] = player
    end
  end

end