sorry mate, thanks for pointing it out 
below is the code, i later changed ( i forgot to post this one, and posted older one by mistake )
n = int(input())
for i in range(n):
temp = list(map(int, input().split()))
for i in range(temp[0],temp[1]):
compare = int(i ** 0.5)
if compare > 1:
if i % compare != 0 or i % (compare-1) != 0:
print(i)
elif compare <= 1:
if i % compare != 0 :
print(i)
print("\n")