Perform ljust, center, rjust against string or list-like

def justify(texts, max_len, mode='right'):
    """
    Perform ljust, center, rjust against string or list-like
    """
    if mode == 'left':
        return [x.ljust(max_len) for x in texts]
    elif mode == 'center':
        return [x.center(max_len) for x in texts]
    else:
        return [x.rjust(max_len) for x in texts]