Print prime number

This is a python program to print all the Prime Number in an interval.

print("To print all the prime numbers between a given interval")

a=int(input("Enter first number:"))
b=int(input("Enter second number:"))

l1=a+1
while l1<b:
    l2=2
    temp=1
    while l2<l1/2:
        if l1%l2==0:
            temp=0



    if temp==1:
        print(l1)