Python-сообщество

 for i in phrases:
    lemma = str(phrases[id_phrase]).replace("('","").replace("',)", "").split()
    n_lemma = 0
    lemma_collection = ''
    l_count = 0
    for y in lemma:
        lemma_phrase = str(id_lemma) + "," + str(id_phrase) + ",'"+ lemma[l_count] +"'"
        lemma_collection += lemma_phrase
        if len(lemma) == l_count + 1:
            lemma_collection_list = lemma_collection.split("_")
            cursor.executemany("INSERT INTO lemmas VALUES (?, ?, ?)", lemma_collection_list)
            conn.commit()
        else:
            lemma_collection += '_'
        l_count += 1
        id_lemma += 1
    id_phrase += 1