connection = pymysql.connect(host='localhost',
                            user='user',
                            password='password',
                            db='literatur',
                            charset='utf8mb4',
                            cursorclass=pymysql.cursors.DictCursor)
with connection.cursor() as cursor:
                sql = "INSERT into tf_data (tf_data_id, abstract) values (4, 'TEST')"
                cursor.execute(sql)
                connection.commit