Python program to print all the prime numbers in the given range

Write a Python program to print all the prime numbers in the given range. an Interval. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. 

start=int(input("Enter the Start value"))
end=int(input("Enter the End value"))
print("Prime numbers between ",start," and ",end)
for a in range(start,end+1):
    n=a
    flag=True
    for b in range(2,(n//2)+1):
        if n%b==0:
            flag=False
    if flag==True and n>1:
        print(n,end=',')

Enter the Start value11

Enter the End value50

Prime numbers between  11  and  50

11,13,17,19,23,29,31,37,41,43,47