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chr solution in Clear category for Pawn Brotherhood by eugen2005
def safe_pawns(pawns: set) -> int:
qty = 0
for x, y in pawns:
if chr(ord(x) - 1) + chr(ord(y) - 1) in pawns or chr(ord(x) + 1) + chr(ord(y) - 1) in pawns:
qty += 1
return qty
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!")
Sept. 12, 2020