Source code for kyu_5.did_i_finish_my_sudoku.sudoku_by_column

#  Created by Egor Kostan.
#  GitHub: https://github.com/ikostan
#  LinkedIn: https://www.linkedin.com/in/egor-kostan/


def assert_sudoku_by_column(board: list) -> bool:
    row_length = len(board[0])
    for i in range(0, row_length):
        col = set()
        for row in board:
            col.add(row[i])
        if len(col) != row_length:
            print('assert_sudoku_by_column')
            return False

    return True