def chaal(current_board, player_character, player_character_position):
    """
    Puts the players character on the current board where he/she wants to.
    Here chaal stands for Bangla 'চাল'.
    :param current_board: the current board
    :param player_character: players character assigned randomly.
    :param player_character_position: the cell number on the current board he/she wants to put his/her character
    :return: the changed board due to the character insertion
    """
    for row in range(len(current_board)):
        for col in range(len(current_board[row])):
            if current_board[row][col] == player_character_position:
                current_board[row][col] = player_character
    return current_board