code: def generate_secret(length=32):
    
    alphabet = string.ascii_letters + string.digits
    random_bytes = os.urandom(length)
    indices = [int(len(alphabet) * (ord(byte) / 256.0)) for byte in random_bytes]
    return "".join([alphabet[index] for index in indices])
docs: Generate a random secret consisting of mixed-case letters and numbers
    Args:
        length (int): Length of the generated password
    Returns:
        a randomly generated secret string
    Raises:
        None