Second clear solution for Pawn Brotherhood by makstheimba - python coding challenges

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Second solution in Clear category for Pawn Brotherhood by makstheimba

def safe_pawns(pawns):
    safe_spots = 0
    for col, row in pawns:
        cover = [chr(ord(col)+1), chr(ord(col)-1)]
        cover = set([pos + str(int(row)-1) for pos in cover])
        if cover & pawns:
            safe_spots += 1
    return safe_spots

Feb. 18, 2015

Look up in the Dict()

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