Python Function to check if a number is prime

def is_prime(num):
    """
    Function to check if a number is prime
    """
    for i in range(2, num):
        if num % i == 0:
            return False
    return True

def gen_primes(max_number):
    """
    Function to generate prime numbers
    """
    for num1 in range(2, max_number):
        if is_prime(num1):
            yield num1

def main():
    """
    Main function
    """
    print(list(gen_primes(100)))

if __name__ == '__main__':
    main()