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Python - SQLite - List Comprehensions: Database Integrations - function

Head First Python: A Learner’s Guide to the Fundamentals of Python Programming, A Brain-Friendly Guide、 Paul Barry(著)、 O’Reilly Mediaの Chapter 13.(List Comprehensions: Database Integrations)、EXERCISE(595/682)の解答を求めてみる。

コード

webapp/data_utils.py

import DBcm
import queries

db_details = 'CoachDB.sqlite'


def get_swimmers_events(name, age, dt):
    with DBcm.UseDatabase(db_details) as db:
        db.execute(
            queries.SQL_SWIMMERS_BY_SESSION,
            (
                name,
                age,
                dt,
            ),
        )
        results = db.fetchall()
    return results