fetch_article_content()
test_fetch_article_content()
fetch_news()
bert_keyword_extraction()
extract_keywords()
preprocess_text()
classify_sentiments()
analyze_sentiments()
generate_wordcloud()
append_to_document()
content_manager()
fetch_and_combine_articles()
find_documents()
find_one_document()
get_mongo_client()
insert_document()
setup_logger()