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First solution in Clear category for Pawn Brotherhood by pawel.sydorow
def safe_pawns(pawns):
safe = 0
listPawns = list(pawns)
listPositionX = ['a','b','c','d','e','f','g','h']
for item in range(0,len(pawns)):
position = listPawns[item]
x = position[0]
y = int(position[1])
index = listPositionX.index(x)
if(index == 0):
po = listPositionX[1]
po += str(y - 1)
if(po in listPawns):
safe += 1
continue
elif(index == 7):
po = listPositionX[6]
po += str(y - 1)
if(po in listPawns):
safe += 1
continue
else:
po = listPositionX[index-1]
po += str(y - 1)
if(po in listPawns):
safe += 1
continue
po = listPositionX[index + 1]
po += str(y - 1)
if(po in listPawns):
safe += 1
continue
return safe
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. 14, 2016