battleship_scorer.py

#Code Wars kata solution
def damaged_or_sunk (board, attacks):
    hits = []
    results = { 'sunk': 0, 'damaged': 0 , 'not_touched': 0, 'points': 0}
    for attack in attacks:
        x = attack[0]-1
        y = len(board)-attack[1]
        if board[y][x] != 0:
            hits.append(board[y][x])
            board[y][x] = "X"
    hits = set(hits)
    print hits
    for num in range(1,4):
        if num in [j for i in board for j in i]:
            if num in hits:     
                results['damaged'] += 1
            else:
                results['not_touched'] += 1
        if num not in [j for i in board for j in i] and num in hits:
            results['sunk'] += 1
            print "+1"
    results['points'] = 1*results['sunk'] + 0.5 * results['damaged'] + (-1)*results['not_touched']

        
board = [[0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0]]
attacks = [[3, 1], [3, 2], [3, 3]]
damaged_or_sunk (board, attacks)