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First solution in Uncategorized category for Pawn Brotherhood by elVato
def safe_pawns(pawns):
c=0
for i in pawns:
if int(i[1])>1:
if chr(ord(i[0])-1) + str(int(i[1])-1) in pawns or chr(ord(i[0])+1) + str(int(i[1])-1) in pawns:
c+=1
return c
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. 7, 2015