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First solution in Creative category for Pawn Brotherhood by wo.tomasz
def safe_pawns(pawns: set) -> int:
amount_of_save = 0
for pawn in pawns:
y = int(pawn[1])
x = pawn[0]
nx1 = chr(ord(x)-1)
nx2 = chr(ord(x)+1)
dl = {nx1+str(y-1), nx2+str(y-1)}
if len(pawns.intersection(dl)) > 0:
amount_of_save += 1
return amount_of_save
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. 21, 2020