How to use the textstat.textstat.textstat.lexicon_count function in textstat

num_numbers = sum(1 for c in no_code_text if c.isdigit())
    num_alphanum = sum(1 for c in no_code_text if c.isalnum())
    num_otherchars = num_chars - num_alphanum
    results.append(TextFeature('Number of characters', num_chars, group_by))
    results.append(TextFeature('Number of letters', num_letters, group_by))
    results.append(TextFeature('Number of numbers', num_numbers, group_by))
    results.append(TextFeature('Number of other characters', num_otherchars, group_by))
    character_counts = Counter(no_code_text.lower())
    for c in sorted(character_counts.items()):
        try:
            results.append(TextFeature('Character count for "{}"'.format(c[0].encode('unicode_escape')), c[1], group_by))
        except AttributeError:
            results.append(TextFeature('Character count for "{}"'.format(c[0]), c[1], group_by))

    results.append(TextFeature('Number of syllables', textstat.syllable_count(no_code_text), group_by))
    results.append(TextFeature('Lexicon Count (without punctuation)', textstat.lexicon_count(no_code_text, True), group_by))
    results.append(TextFeature('Lexicon Count (with punctuation)', textstat.lexicon_count(no_code_text, False), group_by))
    results.append(TextFeature('Number of lower case characters', num_lower, group_by))
    results.append(TextFeature('Number of upper case characters', num_upper, group_by))
    return results

num_alphanum = sum(1 for c in no_code_text if c.isalnum())
    num_otherchars = num_chars - num_alphanum
    results.append(TextFeature('Number of characters', num_chars, group_by))
    results.append(TextFeature('Number of letters', num_letters, group_by))
    results.append(TextFeature('Number of numbers', num_numbers, group_by))
    results.append(TextFeature('Number of other characters', num_otherchars, group_by))
    character_counts = Counter(no_code_text.lower())
    for c in sorted(character_counts.items()):
        try:
            results.append(TextFeature('Character count for "{}"'.format(c[0].encode('unicode_escape')), c[1], group_by))
        except AttributeError:
            results.append(TextFeature('Character count for "{}"'.format(c[0]), c[1], group_by))

    results.append(TextFeature('Number of syllables', textstat.syllable_count(no_code_text), group_by))
    results.append(TextFeature('Lexicon Count (without punctuation)', textstat.lexicon_count(no_code_text, True), group_by))
    results.append(TextFeature('Lexicon Count (with punctuation)', textstat.lexicon_count(no_code_text, False), group_by))
    results.append(TextFeature('Number of lower case characters', num_lower, group_by))
    results.append(TextFeature('Number of upper case characters', num_upper, group_by))
    return results