Getting TLE in generate prime problem

#1

in the below code of generating prime nos i am getting time limit exceeded error.can u tell what is the other way to do it in python

t=int(input())
for i in range(t):
m,n=input().split()
m=int(m)
n=int(n)
for j in range(m,n+1):
for k in range(2,j):
if k==j:
print(j,end=’ ')
elif j%k==0 :
break

print(" ")
#2

hi ravi
try using different approaches and logics to get the optimal solutions.
if you are not able to decode the logic try refering hints in editorial

#3

try to loop till sqrt of number in order to check the prime
it will highly optimised it