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Изворен канал @pythonotes · Post #254 · 11 јун.

Тип строки в Python имеет очень много удобных методов. Сегодня пост про два таких метода которые чаще всего используются "однобоко". Это методы startswith() и endswith() Самый обычный сценарий использования — проверка, начинается ли строка с указанной подстроки? >>> "some_string".startswith("some") True И аналогичная ситуация с зеркальным вариантом этой функции, проверка совпадения с конца >>> "some_string".endswith("some") False Так они используются в большинстве случаев что я видел. Но у этих функций есть еще два варианта использования. 🔸Сравнение нескольких подстрок Для проверки нескольких подстрок в одной строке обычно вызывают эти функции несколько раз. Но на самом деле достаточно передать кортеж со всеми строками один раз. Если будет хоть одно совпадение то функция вернёт True. >>>"my_image.png".endswith(("jpg", "png", "exr")) True 🔸Диапазон поиска Вторым аргументом можно передать индекс символа с которого следует начать сравнение, а третий аргумент это индекс последнего символа. >>> ".filename.ext".startswith("file", 1) True >>> "file_###.ext".endswith('#', 0, -4) True Индексы можно указать отрицательными, что означает отсчёт с конца. #trics#basic

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Crypto M - Crypto News

@CryptoM · Post #65222 · 12.04.2026 г., 04:13

🚀 Iran Nuclear Talks Fail as Tensions Impact Crypto Markets U.S. Vice President Vance announced that after 21 hours of negotiations, no agreement was reached with Iran, which refused to abandon its nuclear weapons program. According to BlockBeats, U.S. President Donald Trump had previously warned that failure in talks would lead to 'total destruction' of Iran. The ongoing conflict has caused volatility in the crypto market for weeks, compounded by tariff disputes, with Bitcoin dropping below $70,000 earlier this month. Analysts had predicted that a successful agreement could push Bitcoin to $80,000, while a breakdown might see it fall to $65,000. On the bullish side, data from on-chain wallets indicate that the largest Bitcoin holders, known as whales, have continued to buy during the peak of geopolitical turmoil rather than sell. Their reasoning is that if the conflict escalates, disrupting oil supplies from the Persian Gulf, rising oil prices and inflation could delay Federal Reserve rate cuts, benefiting scarce assets like Bitcoin and gold. Conversely, Peter Schiff, a gold trader and long-time Bitcoin skeptic, argues that as tensions rise, investors will flee Bitcoin for gold. Schiff predicts a Bitcoin 'collapse,' asserting that gold is the only true safe haven during wartime, and suggests that insiders may be profiting from market fluctuations driven by conflict news. If Trump follows through on his 'total destruction' threat, both stock and crypto markets are likely to experience simultaneous sell-offs. In terms of future developments, Vice President Vance maintained a firm stance at a press conference but did not rule out further negotiations. The Iranian parliamentary speaker demanded a ceasefire in Lebanon and the unfreezing of assets before engaging in formal talks. For Bitcoin traders, the next 72 hours hinge on two critical issues: whether a ceasefire agreement can be sustained and if Trump will escalate the conflict. Meanwhile, whale wallets continue to buy at current prices, indicating that some large investors are betting on stabilization of the situation. #IranNuclearTalks#CryptoMarket#Bitcoin#GeopoliticalRisk#Trump#OilPrices#Inflation#Gold#MarketVolatility#WhaleInvesting#MiddleEastConflict#Lebanon#USPolitics#BTC