下面是埃氏素数筛的Python实现，横线上应填入的代码是（   ）。

def listPrime(N):

primeList = list(range(N+1))

primeList[0] = primeList[1] = False

for i in range(2,int(N ** 0.5) + 1):

if primeList[i] != False:

for j in range(________):

primeList[j] = False

return [x for x in primeList if x != False]