Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE Plays_games (Stuid VARCHAR, hours_played INTEGER)
### Question:
Show all student ids and the number of hours played.
### Answer:
SELECT Stuid, SUM(hours_played) FROM Plays_games GROUP BY Stuid