nvdv

import time

start_time = time.time()
primes = get_primes(1000)
total_time = time.time() - start_time
print("Total time is %f s" % total_time)

nvdv

def is_prime(n):
    for i in range(2, n):
        if n % i == 0:
            return False
    return True

def sum_of_digits(n):
    s = 0
    while n:
        s += n % 10