def generate_primes(n):
    """Generate prime numbers less than n."""
    if n <= 2:
        return []

    primes = [2]
    for i in range(3, n, 2):
        is_prime = True
        for p in primes:
            if p * p > i:
                break
            if i % p == 0:
                is_prime = False
                break
        if is_prime:
            primes.append(i)
    return primes

prime_numbers = generate_primes(100)
prime_numbers