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Изворен канал @pythonotes · Post #76 · 27 апр.

Ранее я делал серию постов про битовые операторы. Вот вам ещё один наглядный пример как это используется в Python в модуле re. Чтобы указать флаг для компилятора нам надо указать его после передаваемой строки. Например, добавляем флаг для игнорирования переноса строки. pattern = re.compile(r"(\w+)+") words = pattern.search(text, re.DOTALL) А как указать несколько флагов? Ведь явно будут ситуации когда нам потребуется больше одного. Кто читал посты по битовые операторы уже понял как. pattern.search(text, re.DOTALL | re.VERBOSE) А теперь смотрим исходники, что находится в этих атрибутах? Не удивительно, степени двойки. Почему? Потому что каждое следующее значение это сдвиг единицы влево. >>> for n in [1, 2, 4, 8, 16, 32, 64, 128, 256]: >>> print(bin(n)) 0b1 0b10 0b100 0b1000 0b10000 0b100000 0b1000000 0b10000000 0b100000000 Чтобы было понятней, давайте напишем тоже самое но иначе, добавим ведущие нули: 000000001 000000010 000000100 000001000 000010000 000100000 001000000 010000000 100000000 Не понятно что тут происходит? Читай три поста про битовые операторы начиная с этого ➡️https://t.me/pythonotes/45 В общем, это пример применения побитовых операций в самом Python. Теперь вы знаете Python еще немного лучше) #tricks#regex#libs

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Amazing Geography 🌍

@amazingeo · Post #577 · 15.01.2026 г., 12:31

🌍 Slovenia’s Škocjan Caves feature an underground canyon over 100 meters deep—the largest in Europe. This karst wonder drains rivers directly from the surface into vast hidden chambers. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #275 · 20.09.2025 г., 22:31

🌍 In Croatia’s Dinaric Alps, karst landscapes hide more than 10,000 known caves and sinkholes. Some systems stretch for over 20 kilometers underground, hosting rare, blind aquatic animals. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍 ​

Amazing Geography 🌍

@amazingeo · Post #236 · 14.09.2025 г., 16:12

🌍 The world’s largest cave chamber by volume, Sarawak Chamber in Borneo, is big enough to hold 40 jumbo jets. This massive cavern formed naturally in a karst limestone landscape. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍 ​

Amazing Geography 🌍

@amazingeo · Post #196 · 08.09.2025 г., 00:12

🌍 Vietnam’s Phong Nha Cave features tunnels over 44 kilometers long, with underground rivers and rare cave pearls—smooth mineral balls formed by dripping water in the dark. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍 ​

Amazing Geography 🌍

@amazingeo · Post #162 · 02.09.2025 г., 13:12

🌍 Some karst caves hold unique stone towers called "speleothems," which form slowly from dripping water. These underground forests can grow over tens of thousands of years. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍 ​

Amazing Geography 🌍

@amazingeo · Post #124 · 27.08.2025 г., 03:12

🌍 Caves in karst landscapes can grow huge underground chambers thanks to rainwater slowly dissolving limestone rock. Some contain rare crystals and underground rivers hidden from the surface. ✨ #caves⚡#karst⚡#geology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography🌍 ​

Amazing Geography 🌍

@amazingeo · Post #504 · 09.12.2025 г., 20:31

🌍 Rainwater can carve entire underground labyrinths in karst landscapes, creating vast networks of caves, tunnels, and sinkholes—some so deep and complex that new passages are still being found today. ✨ #caves⚡#karst⚡#erosion⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #316 · 30.09.2025 г., 18:31

🌍 Some of the world’s longest underground rivers are hidden in karst landscapes. These rivers can travel for dozens of kilometers beneath the surface before emerging in springs or caves. ✨ #caves⚡#karst⚡#hydrology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #657 · 10.03.2026 г., 20:31

🌍 Mexico’s Yucatán Peninsula hides thousands of cenotes—natural sinkhole pools formed when limestone caves collapse, revealing crystal-clear groundwater once sacred to ancient Maya. ✨ #caves⚡#karst⚡#groundwater⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #615 · 05.02.2026 г., 20:31

🌍 The world’s largest karst region is in southern China, where vast limestone hills, towers, and deep caves house rare species found nowhere else on Earth, including blind fish and giant salamanders. ✨ #karst⚡#caves⚡#limestone⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #536 · 25.12.2025 г., 20:31

🌍 In Croatia’s Velebit Mountains, karst landscapes feature underground streams that vanish into deep sinkholes, only to reappear as powerful springs many kilometers away. ✨ #karst⚡#caves⚡#springs⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

Amazing Geography 🌍

@amazingeo · Post #469 · 22.11.2025 г., 12:31

🌍 Some karst caves contain rare bacteria that feed on mineral rock, creating colorful biofilms and even helping form new cave crystals—making the underground world alive in ways few people expect. ✨ #caves⚡#karst⚡#microbiology⚡#geography⚡#nature⚡#earth 👉subscribe Amazing Geography 👉more Channels ​

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