def check_columns(board: list) -> bool:
    """
    Checks if there are identical numbers in every column in the board.
Returns True if not, else False.
    >>> check_columns(["**** ****","***1 ****","**  3****","* 4 1****",\
        "     9 5 "," 6  83  *","3   1  **","  8  2***","  2  ****"])
    False
    """
    for i in range(len(board[0])):
        column_temp = []
        for j in range(len(board)):
            if board[j][i] != '*' and board[j][i] != ' ':
                if board[j][i] in column_temp:
                    return False
                else:
                    column_temp.append(board[j][i])
    return True