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First solution in Clear category for Pawn Brotherhood by Vottivott
def safe_pawns(pawns):
count = 0
for p in pawns:
file = ord(p[0])
rank = int(p[1])
if chr(file-1) + str(rank-1) in pawns or chr(file+1) + str(rank-1) in pawns:
count += 1
return count
Jan. 20, 2015
