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First solution in Clear category for Pawn Brotherhood by anjana.jayakumar
def safe_pawns(pawns: set) -> int:
n = 0
for i in pawns:
C = chr(ord(i[1])-1)
L = chr(ord(i[0])-1)
R = chr(ord(i[0])+1)
CL = str(L+C)
CR = str(R+C)
if CL in pawns or CR in pawns:
n += 1
return n
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!")
July 25, 2019
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