Print out a previous game of Tic-Tac-Toe given an encoded replay string.

tic-tac-toe-replay.py

from typing import List


if __name__ == "__main__":
    def pretty_print_board(board: List[List[str]]) -> None:
        print("\n".join([",".join(row) for row in board]))

    def recreate_board(replay_str: str, print_moves=False) -> List[List[str]]:
        board = [['#' for _ in range(3)] for _ in range(3)]
        for move in replay_str.split(';'):
            if move:
                player = move[0]

                row, col = int(move[1]) - 1, int(move[3]) - 1
                board[int(row)][int(col)] = player
                if print_moves:
                    print("Player '{}' moved to ({}, {})".format(player, row+1, col+1))
        return board

    games = [
        "x1,1;o1,3;x3,1;o1,2;x2,1;",
        "x2,2;o3,3;x1,1;o3,1;x1,3;o3,2;",
    ]

    for game in games:
        board = recreate_board(game, True)
        pretty_print_board(board)
        print()