Python program to test if given number is prime or not

WAP to test if given number is prime or not.

a=int(input("Enter Number"))
k=0
for i in range(2,a//2+1):
    if a%i==0:
        k=k+1
if k<=0:
    print(a," is Prime Niumber")
else:
    print(a," is not a prime Number")