class DB:
    def __init__(self):
        self.connection = connect('todo.db')
        self.cursor = self.connection.cursor()

    def query(self, query):
        self.cursor.execute(query)
        return self.cursor.fetchall()

    def update(self, query):
        self.cursor.execute(query)
        self.connection.commit()
        return self.cursor.fetchall()


db = DB()
db.update('INSERT INTO Tasks ("name") VALUES("Novi todo")')
print(db.query('SELECT * FROM Tasks'))