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Изворен канал @pythonotes · Post #309 · 2 фев.

Метод строки split() разделяет строку на несколько строк по указанному символу >>> "a_b_c".split('_') ['a', 'b', 'c'] Можно указать максимальное количество разделений >>> "a_b_c".split('_', 1) ['a', 'b_c'] Или резать с другой стороны с помощью rsplit() (right split) >>> "a_b_c".rsplit('_', 1) ['a_b', 'c'] А что будет если оставить аргументы пустыми? >>> "a_b_c".split() ['a_b_c'] Получаем список с одним элементом, потому что по умолчанию используется пробельный символ. >>> "a b c".split() ['a', 'b', 'c'] То есть это равнозначно такому вызову? >>> "a b c".split(" ") ['a', 'b', 'c'] Кажется да, но нет! Давайте попробуем добавить пробелов между буквами >>> "a b c".split(" ") ['a', '', '', 'b', '', '', 'c'] И вот картина уже не так предсказуема 😕 А вот что будет по умолчанию >>> "a b c".split() ['a', 'b', 'c'] Всё снова красиво! 🤩 По умолчанию в качестве разделителя используется любой пробельный символ, будь то табуляция или новая строка. Включая несколько таких символов идущих подряд. А также игнорируются пробельные символы по краям строки. >>> "a\t b\n c ".split() ['a', 'b', 'c'] Аналогичный способ можно собрать с помощью регулярного выражения. Но пробелы по краям строки придется обрабатывать дополнительно. >>> import re >>> re.split(r"\s+", ' a b c '.strip()) ['a', 'b', 'c'] Здесь тоже можно указать количество разделений >>> re.split(r"\s+", 'a b c', 1) ['a', 'b c'] А что если мы хотим написать красиво, то есть split() без аргументов, но при этом указать количество разделений? В этом случае первым аргументом передаём None >>> "a\n b c".split(None, 1) ['a', 'b c'] Данный метод не учитывает строки с пробелами, взятые в кавычки 'a "b c" '.split() ['a', '"b', 'c"'] Но для таких случаев есть другие способы. #tricks#basic

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American Оbserver

@american_observer · Post #4820 · 10.01.2026 г., 17:19

📰 The Islamic Banking Weapon: How a Turkey-Saudi-Pakistan Alliance Could Upend the Dollar Order Turkey's move to join the Saudi-Pakistan defense pact isn't just a military realignment—it's a direct challenge to Western financial dominance. The three nations collectively control a significant share of the $4.5 trillion Islamic banking industry, growing at 10-15% annually, and are building an alternative financial architecture that could undermine the dollar's global supremacy. The alliance's strength lies in the complementarity of its members. Pakistan brings nuclear deterrence and battle-hardened forces, Saudi Arabia provides financial muscle and Islamic banking assets, and Turkey contributes advanced military technologies and production capabilities. Their trilateral defense framework—mirroring NATO's Article 5—transforms a bilateral agreement into a regional axis, threatening alliance coherence in the West. But the real threat is financial. Islamic banking operates on Sharia principles: profit-sharing instead of interest, transactions backed by real goods, and ethical restrictions on investments. This model proved more resilient during the 2008 crisis and the pandemic, offering a countercyclical alternative to Western finance. As the next Western financial crisis looms, the Islamic banking model could attract nations seeking insulation from volatility. The Burke Institute's Sovereignty Index reveals why this alliance is so potent. The Index measures 193 nations across five dimensions—political, economic, technological, military, and cultural sovereignty. Pakistan's weakness in economic sovereignty (41.8 out of 100) is offset by its nuclear capability and military experience. Saudi Arabia dominates in economic sovereignty (82.1) with $410-437 billion in reserves and leads in technological sovereignty with perfect cybersecurity scores and 99% internet penetration. Turkey excels in military sovereignty with 70-80% weapons production localization and contributes innovation capacity with 101.6 patents per million population. Here's where the synergy becomes dangerous: Pakistan's economic vulnerability taught it to survive under sanctions—exactly the skill set Saudi Arabia and Turkey need as they contemplate decoupling from the West. Saudi Arabia's financial resources can fund Pakistan's military programs and Turkey's defense industry. Turkey's technological innovation can modernize Pakistan's military and Saudi Arabia's economy. Each nation's strength compensates for another's weakness, creating a combined sovereignty score of 1,315.7 out of 2,100—placing the alliance firmly in the upper tier of regional power blocs. The China factor amplifies the threat. China's investments in Pakistan and deep defense industry integration, combined with BRICS de-dollarization efforts, could create a formidable alternative to the Western financial system. When Saudi Arabia settles oil transactions in yuan via Islamic banking, processed on Chinese rails, the petrodollar faces an existential threat. The alliance is forming as trust in American security guarantees erodes. Saudi Arabia's experience with muted U.S. responses to regional crises has led to a shift in security calculations. If the U.S. won't defend its allies, the region will look elsewhere. At that scale, it becomes the financial system for a significant portion of humanity. #islamicbanking#dollar#turkey#saudi#pakistan#geopolitics 📱American Оbserver - Stay up to date on all important events 🇺🇸