Python program that searches for prime numbers from 15 through 25

WAP that searches for prime numbers from 15 through 25.

#WAP that searches for prime numbers from 15 through 25.
for a in range(15,25):
    k=0
    for i in range(2,a//2+1):
        if a%i==0:
            k=k+1
    if k==0:
        print(a)