def regenerate_good_tokens(string):
    """
    Given an input string, part of speech tags the string, then generates a list of
    ngrams that appear in the string.
    Used to define grammatically correct part of speech tag sequences.
    Returns a list of part of speech tag sequences.
    """
    toks = nltk.word_tokenize(string)
    pos_string = nltk.pos_tag(toks)
    pos_seq = [tag[1] for tag in pos_string]
    pos_ngrams = ngrams(pos_seq, 2, 4)
    sel_pos_ngrams = f7(pos_ngrams)
    return sel_pos_ngrams
def regenerate_good_tokens(string):
    """
    Given an input string, part of speech tags the string, then generates a list of
    ngrams that appear in the string.
    Used to define grammatically correct part of speech tag sequences.
    Returns a list of part of speech tag sequences.
    """
    toks = nltk.word_tokenize(string)
    pos_string = nltk.pos_tag(toks)
    pos_seq = [tag[1] for tag in pos_string]
    pos_ngrams = ngrams(pos_seq, 2, 4)
    sel_pos_ngrams = f7(pos_ngrams)
    return sel_pos_ngrams
def regenerate_good_tokens ( string ) : toks = nltk . word_tokenize ( string ) pos_string = nltk . pos_tag ( toks ) pos_seq = [ tag [ 1 ] for tag in pos_string ] pos_ngrams = ngrams ( pos_seq , 2 , 4 ) sel_pos_ngrams = f7 ( pos_ngrams ) return sel_pos_ngrams
Given an input string, part of speech tags the string, then generates a list of
    ngrams that appear in the string.
    Used to define grammatically correct part of speech tag sequences.
    Returns a list of part of speech tag sequences.
Given an input string part of speech tags the string then generates a list of ngrams that appear in the string . Used to define grammatically correct part of speech tag sequences . Returns a list of part of speech tag sequences .