def get_unique_identifier(length: int = 8) -> str:
    """Create a unique identifier by choosing `length`
    random characters from list of ascii characters and numbers
    """
    alphabet = string.ascii_lowercase + string.digits
    uuid = "".join(alphabet[ix]
                   for ix in np.random.choice(len(alphabet), length))
    return uuid
Create a unique identifier by choosing `length`
    random characters from list of ascii characters and numbers
    
training/HelloDeepSpeed/train_bert.py