OpenSpiel game methods: num_players
num_players()
Returns the number of players in this instantiation of the game. Does not include the chance player.
Examples:
import pyspiel
game = pyspiel.load_game("tic_tac_toe")
print(game.num_players()) # Output: 2
game = pyspiel.load_game("leduc_poker(players=3)")
print(game.num_players()) # Output: 3
game = pyspiel.load_game("catch")
print(game.num_players()) # Output: 1