Создайте lag-фичи для временного ряда.
Значение lag_k для позиции i = значение в позиции i-k (или None если выходит за границы).
def create_lag_features(values: list[float], n_lags: int) -> list[dict]:Верните список dict с ключами: value, lag_1, lag_2, ... lag_n.
create_lag_features([10, 20, 30, 40, 50], 2)
→ [
{"value": 10, "lag_1": None, "lag_2": None},
{"value": 20, "lag_1": 10, "lag_2": None},
{"value": 30, "lag_1": 20, "lag_2": 10},
{"value": 40, "lag_1": 30, "lag_2": 20},
{"value": 50, "lag_1": 40, "lag_2": 30}
]values = [10,20,30,40,50]n_lags = 2[{"value":10,"lag_1":null,"lag_2":null},{"value":20,"lag_1":10,"lag_2":null},{"value":30,"lag_1":20,"lag_2":10},{"value":40,"lag_1":30,"lag_2":20},{"value":50,"lag_1":40,"lag_2":30}]values = [1,2,3,4]n_lags = 1[{"value":1,"lag_1":null},{"value":2,"lag_1":1},{"value":3,"lag_1":2},{"value":4,"lag_1":3}]values = [5,10,15]n_lags = 3[{"value":5,"lag_1":null,"lag_2":null,"lag_3":null},{"value":10,"lag_1":5,"lag_2":null,"lag_3":null},{"value":15,"lag_1":10,"lag_2":5,"lag_3":null}]