tictactoe.py
def player(board):
    """
    Returns player who has the next turn on a board.
    """

    # Stores all the possible values of the board in variables
    total_places = sum(1 for i in board for j in i)
    empty_places = sum(1 for i in board for j in i if j == None)
    x_moves = sum(1 for i in board for j in i if j == "X")
    o_moves = sum(1 for i in board for j in i if j == "O")

    # Check if start of the game
    if empty_places == total_places:
        return X
    # If X has more moves in the board than O
    elif x_moves > o_moves:
        return O
    # In all other cases, X plays
    else:
        return X

    Returns player who has the next turn on a board.
    
Returns player who has the next turn on a board.
Returns player who has the next turn on a board .
def player(board):
    total_places = sum(1 for i in board for j in i)
    empty_places = sum(1 for i in board for j in i if j == None)
    x_moves = sum(1 for i in board for j in i if j == "X")
    o_moves = sum(1 for i in board for j in i if j == "O")
    if empty_places == total_places:
        return X
    elif x_moves > o_moves:
        return O
    else:
        return X
def player ( board ) : total_places = sum ( 1 for i in board for j in i ) empty_places = sum ( 1 for i in board for j in i if j == None ) x_moves = sum ( 1 for i in board for j in i if j == "X" ) o_moves = sum ( 1 for i in board for j in i if j == "O" ) if empty_places == total_places : return X elif x_moves > o_moves : return O else : return X
Returns player who has the next turn on a board.
Returns player who has the next turn on a board .
"""
    Returns player who has the next turn on a board.
    """ # Stores all the possible values of the board in variables # Check if start of the game # If X has more moves in the board than O # In all other cases, X plays
board