import re


def extract_shortwords(text, length=3):
    """Returns a list with all short words of a particular length

    params:
    length: Specify the length of words you want to remove
    default is 3 letter word length

    """
    token_words = re.split(r"\W+", text)
    short_words_list = [i for i in token_words if len(i) <= int(length)]
    return short_words_list