First clear solution for Pawn Brotherhood by reebbeer - python coding challenges

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First solution in Clear category for Pawn Brotherhood by reebbeer

def safe_pawns(pawns: set) -> int:
    safe = 0
    for pawn in pawns:
        column = ord(pawn[0])
        row = ord(pawn[1])
        if chr(column-1)+chr(row-1) in pawns or chr(column+1)+chr(row-1) in pawns:
            safe += 1
    
    return safe

if __name__ == '__main__':
    #These "asserts" using only for self-checking and not necessary for auto-testing
    assert safe_pawns({"b4", "d4", "f4", "c3", "e3", "g5", "d2"}) == 6
    assert safe_pawns({"b4", "c4", "d4", "e4", "f4", "g4", "e5"}) == 1
    print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")

March 22, 2019

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