your code goes
n = int(raw_input())
for i in range(n):
first, second = raw_input().split(" ")
fist = int(first)
second = int(second)
prime_generator(first,second)
def prime_generator(first,second):
for i in range(first,second):
flag = 1
for j in range(1,i):
if (i%j == 0 and j>1):
flag = 0
if (flag == 1):
print(str(i))
please help i am getting the nzec error.