# Checkers Game

# Board setup
board = [
    [' ', 'B', ' ', 'B', ' ', 'B', ' ', 'B'],
    ['B', ' ', 'B', ' ', 'B', ' ', 'B', ' '],
    [' ', 'B', ' ', 'B', ' ', 'B', ' ', 'B'],
    [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '],
    [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '],
    ['W', ' ', 'W', ' ', 'W', ' ', 'W', ' '],
    [' ', 'W', ' ', 'W', ' ', 'W', ' ', 'W'],
    ['W', ' ', 'W', ' ', 'W', ' ', 'W', ' ']
]

# Function to display the board
def display_board(board):
    for row in board:
        print(' '.join(row))

# Function to move a piece
def move_piece(board, start, end):
    x1, y1 = start
    x2, y2 = end
    board[x2][y2] = board[x1][y1]
    board[x1][y1] = ' '

# Main game loop
def play_checkers():
    current_player = 'W'
    while True:
        display_board(board)
        print(f"Player {current_player}'s turn")
        start = tuple(map(int, input("Enter start coordinates (row col): ").split()))
        end = tuple(map(int, input("Enter end coordinates (row col): ").split()))
        move_piece(board, start, end)
        current_player = 'B' if current_player == 'W' else 'W'

# Start the game
play_checkers()