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chr_and_ord solution in Clear category for Pawn Brotherhood by Totheheart
def safe_pawns(pawns: set) -> int:
c = 0
for p in pawns:
if chr(ord(p[0])+1) + chr(ord(p[1])-1) in pawns or chr(ord(p[0])-1) + chr(ord(p[1])-1) in pawns:
c+=1
return c
Aug. 19, 2019
