Eightnight queeue problem

 # Online Python compiler (interpreter) to run Python online.

# Write Python 3 code in this online editor and run it.

def isValid(board, row, col):

    for i in range(row):

        if board[i] == col or abs(board[i] - col) == abs(i - row):

            return False

    return True

def eightQueens(board, row):

    print(f"borad: {board}, row: {row}")

 

    if row == 8:

        print("finally:")

        print(board)

        print("-"*20)

        return

    for i in range(8):

        if isValid(board, row, i):

            board[row] = i

            eightQueens(board, row + 1)

eightQueens([-1] * 8, 0)