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Изворен канал @pythonotes · Post #402 · 22 дек.
Отдельно разберём TaskGroup, который пришел на замену gather в Python 3.11. Ключевые отличия ▫️create_task() возвращает объект asyncio.Task, у которого есть соответствюущие методы управления. То есть у нас больше контроля ▫️это контекстный менеджер, который гарантирует что все таски будут остановлены по выходу из контекста ▫️ошибка автоматически отменяет незавершенные задачи, ▫️except* передает нам ExceptionGroup, в котором каждую ошибку можно обработать отдельно import asyncio import random async def do_it() -> str: if random.random() < 0.1: raise ValueError('Oops') delay = random.uniform(0.5, 1.5) await asyncio.sleep(delay) return delay async def main(): try: async with asyncio.TaskGroup() as tg: for _ in range(10): tasks.append(tg.create_task(do_it())) for t in tasks: print(t.result()) except *ValueError as e: for err in e.exceptions: print(err) asyncio.run(main()) Рекомендую изучить страницу Coroutines and Tasks из документации, где представлено больше интересных примеров и механизмов - таймауты - отмена задач - создание задач из другого потока #async
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Пребарај: #freshwater
@amazingeo · Post #463 · 19.11.2025 г., 12:31
🌍 Canada’s Manitoulin Island is the largest freshwater island in the world. It’s so big that it contains more than 100 lakes, and some of those lakes have islands of their own. ✨ #islands⚡#freshwater⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
@amazingeo · Post #203 · 09.09.2025 г., 03:12
🌍 In Canada’s Hudson Bay lowlands, vast freshwater wetlands cover over 300,000 square kilometers. This area stores so much water it helps regulate the region’s climate and slow permafrost thaw. ✨ #wetlands⚡#freshwater⚡#climate⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍
@amazingeo · Post #172 · 04.09.2025 г., 03:12
🌍 Just 0.001% of all water on Earth is found in rivers, lakes, and the atmosphere. The vast majority is locked away in ice sheets, glaciers, or underground where we rarely see it. ✨ #hydrology⚡#watercycle⚡#freshwater⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍
@amazingeo · Post #706 · 03.05.2026 г., 20:31
🌍 Some freshwater wetlands form floating islands—mats of living plants thick enough to walk on. These islands create unique microhabitats and drift slowly across lakes or shallow wetlands. ✨ #wetlands⚡#freshwater⚡#ecology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
@amazingeo · Post #60 · 16.08.2025 г., 16:12
🌍 The world's largest freshwater reserves are hidden underground as groundwater, not in lakes or rivers. These reserves are vital for drinking water and irrigation in many regions. ✨ #groundwater⚡#freshwater⚡#resources⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍
@amazingeo · Post #695 · 19.04.2026 г., 20:31
🌍 Siberia's Lake Baikal holds more water than all the North American Great Lakes combined. It is the world’s deepest and oldest lake, home to unique species found nowhere else. ✨ #lake⚡#freshwater⚡#biodiversity⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels
@amazingeo · Post #96 · 22.08.2025 г., 14:06
🌍 Lake Baikal in Russia holds about 20% of the world’s unfrozen freshwater. It’s also the oldest and deepest lake on the planet, reaching depths of over 1,640 meters. ✨ #Baikal⚡#freshwater⚡#depth⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍