Библиотека Python разработчика | Книги по питону | United States America (US)

Create: 2025-02-25 Update: 2025-07-09 03:06:57

Есть две встроенные функции, которые позволяют анализировать итерируемые объекты без написания тривиальных и избыточных условий if. Это all и any.

- any возвращает True, если хотя бы одно из значений истинно.
- all возвращает True, если все значения истинны.
- all возвращает True для пустого итерируемого объекта, тогда как any в этом случае вернёт False.

Обе функции особенно полезны при использовании вместе с генераторами и списковыми включениями:


package_broken = any(
    part.is_broken() for part in package.get_parts()
)
package_ok = all(
    part.ok() for part in package.get_parts()
)

Функции any и all зачастую взаимозаменяемы благодаря законам де Моргана. Выбирайте ту, которая делает код более понятным.

👉@BookPython

Библиотека Python разработчика | Книги по питону


package_broken = any(
    part.is_broken() for part in package.get_parts()
)
package_ok = all(
    part.ok() for part in package.get_parts()
)

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Есть две встроенные функции

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