primes.py (328 bytes)
# Python program to print all
# prime number in an interval

start = 11
end = 25

for val in range(start, end + 1):

 # If num is divisible by any number
 # between 2 and val, it is not prime
 if val > 1:
 for n in range(2, val):
 if (val % n) == 0:
 break
 else:
 print(val)