def __init__(self, player_id, np_random):
        ''' Initilize a player.

        Args:
            player_id (int): The id of the player
        '''
        self.np_random = np_random
        self.player_id = player_id
        self.hand = []
        self.stack = []
 Initilize a player.

        Args:
            player_id (int): The id of the player
        
rlcard/games/uno/player.py