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First solution in Clear category for Pawn Brotherhood by toito
def safe_place(pawn, rank):
return chr(ord(pawn[0]) + rank) + str(int(pawn[1]) + 1)
def safe_pawns(pawns: set) -> int:
safe_places = ({safe_place(pawn, 1) for pawn in pawns} |
{safe_place(pawn, -1) for pawn in pawns})
return len(safe_places & pawns)
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!")
Nov. 16, 2018
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