old_contents: #!/usr/bin/env python
  
  from collections import Counter
  from .player import Player
  
  class Game:
  
      def __init__(self, players=None):
          """
          Initialize the game instance.
          players may be initialized by argument or by calling the begin method.
          winning_numbers is initialized with an empty list. It should be populated
          by the generate_winning_numbers method when called.
  
          :param players (list): list of players
          """
  
          self.players = list()
          self.winning_numbers = list()
  
      def add_player(self):
          """
          Create a new player by calling the from_input method of Player class which returns Player instance.
          Add the instance to player list.
          """
  
          player = Player.from_input()
          self.players.append(player)
  
      def begin(self):
          """
          Begin the game by calling the add_player to add the first player.
          Keep asking if want to add more players.
          Call add_player till the answer is yes.
          """
  
          add_more = True
  
          # since add_more is True, this will ask for first player details by default.
          # further players data depend on user response to add more.
  
          while add_more:
              self.add_player()
  
              # True if user enters 'Y' or 'y'. False for any other input.
  
              add_more = (input("Do you want to add another employee? (y/n) : ").strip() == 'y')
  
  
  
  
new_contents: #!/usr/bin/env python
  
  from collections import Counter
  from .player import Player
  
  class Game:
  
      def __init__(self, players=None):
          """
          Initialize the game instance.
          players may be initialized by argument or by calling the begin method.
          winning_numbers is initialized with an empty list. It should be populated
          by the generate_winning_numbers method when called.
  
          :param players (list): list of players
          """
  
          self.players = list()
          self.winning_numbers = list()
  
      def add_player(self):
          """
          Create a new player by calling the from_input method of Player class which returns Player instance.
          Add the instance to player list.
          """
  
          player = Player.from_input()
          self.players.append(player)
  
      def begin(self):
          """
          Begin the game by calling the add_player to add the first player.
          Keep asking if want to add more players.
          Call add_player till the answer is yes.
          """
  
          add_more = True
  
          # since add_more is True, this will ask for first player details by default.
          # further players data depend on user response to add more.
  
          while add_more:
              self.add_player()
  
              # True if user enters 'Y' or 'y'. False for any other input.
  
              add_more = (input("Do you want to add another employee? (y/n) : ").strip().lower() == 'y')
  
  
  
  
subject: update begin method, convert user response to lower case