def strip_min_max_tokens(tokens, remove_less_than=0, remove_more_than=20):
    """
    Removes tokens smaller than 0 (default) or greater than 20 (default) in length. 

    Input:
    tokens (list)
    remove_less_than (int): States the smallest token length to keep
    remove_more_than (int): States the largest token length to keep
    
    Returns:
    A list of tokens who's length is between the smallest and largest lengths stated
    """
    return [token for token in tokens if remove_less_than <=  len(token) <= remove_more_than]