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Изворен канал @pythonotes · Post #418 · 9 мар.

Оператор pipe позволяет писать более компактный код, реализуя логику объединения данных (Union). Важно помнить, что его поведение зависит от контекста. Побитовые операции (логическое OR) result = 5 | 3 # 5 (0101) | 3 (0011) = 7 (0111) Самое главное - не путать с оператором or, это другое! Объединение множеств set_a = {1, 2, 3} set_b = {3, 4, 5} set_c = set_a | set_b # {1, 2, 3, 4, 5} set_c |= {5, 6} # {1, 2, 3, 4, 5, 6} Слияние словарей dict_1 = {"a": 1, "b": 2} dict_2 = {"b": 3, "c": 4} merged = dict_1 | dict_2 # {'a': 1, 'b': 3, 'c': 4} merged |= {"d": 5} # {'a': 1, 'b': 3, 'c': 4, 'd': 5} Аннотации типов, заменяет Union def process_data(value: int | str) -> None: print(value) Допустимо использовать в isinstance или issubclass isinstance(3, int | float) # True Паттерн-матчинг status_code = 404 match status_code: case 200 | 201 | 204: print("OK") case 400 | 404 | 500: print("ERROR") Для использования в своих классах требуется переопределить метод __or__ Так же нашел библиотеку pipe которая добавляет еще много возможностей. Рекомендую ознакомиться ;) #basic

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🌊 ETHIOPIA: AFRICA'S WATER TOWER ኢትዮጵያ፡ የአፍሪካ የውሃ ማማ ЭФИОПИЯ: ВОДОНАПОРНАЯ БАШНЯ АФРИКИ Where legends begin - where life flows! 💙 ━━━━━━━━━━━━━━━━ 💙 LAKE TANA (ጣና ሀይቅ) - SOURCE OF THE NILE This is where Africa's greatest river is born: 🌊THE BLUE NILE: • Ethiopia provides 85% of the Nile's water! • 3,600 km² of pristine water • Flows 1,450 km from Tana to Sudan • "አባይ ወንዝ" (Abay) - Mother of Rivers 🏝️37 ISLAND MONASTERIES: • Some over 800 years old • Ancient manuscripts preserved • Traditional papyrus boats (tankwa) still used • Living history on water "The Blue Nile carries Ethiopia's gift to Africa and the world"🌍💙 ━━━━━━━━━━━━━━━━ 🏞️ GREAT RIFT VALLEY LAKES የሪፍት ሸለቆ ሀይቆች Nature's masterpieces: 🌅LAKE LANGANO: • Only swimmable rift lake! • Black volcanic beaches • Resort paradise 🦩LAKE ABIJATA & SHALA: • Thousands of pink flamingos • Alkaline waters = unique ecosystem • National Park protection • Photographers' dream 💚LAKE ZIWAY: • Thriving fishing communities • 300+ bird species • Fresh tilapia straight from water 🌋LAKE CHAMO: • "Crocodile market" - hundreds sunbathing! • Giant Nile crocodiles (6+ meters!) • Hippo pods & boat safaris Africa's Great Rift Valley creates magic in Ethiopia!✨ ━━━━━━━━━━━━━━━━ 💧 THE WATER TOWER OF AFRICA 🌍THE NUMBERS: • 12 major river basins • 11 lakes (8 in Rift Valley) • 122 billion m³ annual water resources • 85% of Nile water from Ethiopia • Water source for 11 African countries "ውሃችን የአፍሪካ ህይወት ነው" (Our water is Africa's life) ━━━━━━━━━━━━━━━━ 🌱 PROTECTING THE SOURCE Conservation efforts: ✅ Reforestation (billions of trees!) ✅ Lake protection zones ✅ Sustainable fishing ✅ Community conservation ✅ Research programs Preserving water = preserving life for all Africa💚 ━━━━━━━━━━━━━━━━ 🎒 EXPERIENCE ETHIOPIA'S WATERS Must-visit: 🚣LAKE TANA: • Island monastery tours • Traditional tankwa boats • Blue Nile Falls nearby • Coffee ceremony on shore ☕ 🏖️RIFT VALLEY CIRCUIT: • Beach resorts at Langano • Flamingo watching at Abijata • Crocodile tours at Chamo • Bird watching paradise 📸BLUE NILE FALLS: • "Tis Issat" (ጥስ እሰት) - "Water that Smokes" • 400m wide in rainy season • Rainbow mist all day • One of Africa's most spectacular waterfalls ━━━━━━━━━━━━━━━━ 🌊 WHY THIS MATTERS FOR ETHIOPIA: 💧 Water security for 120+ million 🌾 Agriculture & food production ⚡ Hydropower generation 🎣 Fishing community livelihoods FOR AFRICA: 🌍 Life source for Egypt, Sudan, South Sudan 💚 Regional water cooperation 🤝 Shared prosperity FOR THE WORLD: 🌱 Sustainable water management model 🦩 Biodiversity conservation 📚 Ancient wisdom meets modern stewardship ━━━━━━━━━━━━━━━━ 💙 FUN FACTS: 🤯 Ancient Egyptians called Ethiopia "Land of Gods"! 🤯 Lake Tana at 1,788m altitude - "highland sea" 🤯 Blue Nile's name from black sediment that looks blue 🤯 Some monasteries have 1300s manuscripts! 🤯 Rift Valley = tectonic plates separating! 🤯 Flamingos migrate in thousands - pink clouds! ━━━━━━━━━━━━━━━━ 🌊 FROM SOURCE TO SEA Ethiopia's water journey: Lake Tana → Blue Nile → Sudan → Egypt → Mediterranean 6,650 km sustaining 300+ million people "From Ethiopia's highlands - life flows to the world"🌍💙 ━━━━━━━━━━━━━━━━ NEXT:⚡ How Ethiopia turns water into POWER! ━━━━━━━━━━━━━━━━ 🌍 ETHIOPIA | ЭФИОПИЯ | ኢትዮጵያ 📱 Join us: @ethiopia telegram #EthiopiaWater#LakeTana#BlueNile#RiftValley#SourceOfTheNile#EthiopianLakes#AfricaWater#NileRiver