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

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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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@wal_pep · Post #729 · 13.12.2025 г., 22:14

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#Tourist The Great Wall of China : is a huge chain of defensive fortifications stretching across northern China, it is a symbol of China and one of the Seven Wonders of the new world, known for its enormous length exceeding 21 thousand kilometers, it was built over centuries, especially during the Ming dynasty, it features watchtowers and strategic corridors, it is a UNESCO World Heritage Site and an outstanding world tourist destination. 📝 Construction history: the first construction work began more than 2000 years ago, during the spring and autumn reign and the Warring States, and it was significantly expanded and renovated by later dynasties, especially the Ming Dynasty (1369-1644).

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@wal_pep · Post #740 · 15.12.2025 г., 18:55

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#Nature #Tourist Socotra: is a Yemeni archipelago belonging to the Hadramaut region consisting of six islands on the Indian Ocean off the coast of the Horn of Africa near the Gulf of Aden, located about 240 kilometers (150 Mi) east of the coast of Somalia and 380 kilometers (240 Mi) south of the Arabian Peninsula. The island was classified as a World Heritage Site in 2008, and the New York Times ranked it as the most beautiful island in the world in 2010 due to the unique biodiversity and environmental importance of this island and its reflection on the world. In October of 2013, the Socotra archipelago governorate became an independent governorate from Hadramaut governorate.

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@wal_pep · Post #702 · 06.12.2025 г., 20:36

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#History #Tourist The Great Sphinx: is a huge stone sculpture carved from limestone, embodying a mythical creature with a human head and the body of a lion in a reclining position. Facing directly from West to East, the statue is located on the Giza plateau on the West Bank of the Nile in Giza, Egypt. It is believed that the facial features of the statue belong to Pharaoh Khafre. The original figure of the Sphinx was carved from the Adim Rock, later it was restored with limestone layers. The statue is 73 M (240 ft) long from claw to tail, 20 M (66 ft) high from the base to the top of the head, and 19 m (62 ft) wide at its hind feet

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