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First solution in Clear category for Pawn Brotherhood by Bartosz_M
def safe_pawns(pawns):
pawn_list, pawn_list2 = [], []
counter = 0
for pawn in pawns:
pawn_list.append(pawn[1] + pawn[0])
pawn_list = sorted(pawn_list)
for pawn in pawn_list:
reg = pawn
pawn = str(int(reg[0])+1) + str(chr(ord(reg[1])+1))
pawn_list2.append(pawn)
pawn = str(int(reg[0])+1) + str(chr(ord(reg[1])-1))
pawn_list2.append(pawn)
pawn_list2 = sorted(pawn_list2)
for pawn in pawn_list:
if pawn in pawn_list2:
counter += 1
return counter
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
Nov. 8, 2016