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Изворен канал @pythonotes · Post #156 · 2 окт.

Те, кто в Python не первый день, хорошо знают, что на число можно умножить не только число, но и другие типы. Главное, чтобы у этих типов была реализация такой операции. # list >>> [1] * 3 [1, 1, 1] # tuple >>> (2, 3) * 3 (2, 3, 2, 3, 2, 3) # string >>> "A" * 3 "AAA" Так работает полиморфизм стандартных типов. Интересно здесь то, что это сработает и в том случае, когда порядок операндов обратный. То есть int умножить на [тип]. # list >>> 3 * [1] [1, 1, 1] # tuple >>> 3 * (2, 3) (2, 3, 2, 3, 2, 3) # string >>> 3 * "A" "AAA" Если хотите реализовать такое поведение в ваших классах то следует помнить два момента: 1. Если множитель справа, то вам нужно реализовать метод __mul__, наш класс это первый операнд, то есть слева. myType * 3 2. Если множитель слева, то вам нужно реализовать метод __rmul__, наш класс это второй операнд, справа. 3* myType Всё тоже самое можно делать и для других математических операторов. И если в этом примере действие и результат будут фактически одинаковыми, то бывают ситуации, когда это не так. Например, при умножении матриц имеет значение порядок операндов. Для других операторов, таких как деление или сдвиг, очень важно кто с какой стороны находится. >>> 2/4, 4/2 (0.5, 2.0) >>> 2<<3, 3<<2 (16, 12) >>> 100%15, 15%100 (10, 15) #tricks#basic

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Crypto M - Crypto News

@CryptoM · Post #64559 · 09.04.2026 г., 08:01

🚀 CPI Faces Critical Test Amid Inflation Concerns The upcoming Consumer Price Index (CPI) report is set to be a decisive factor in assessing inflation trends, as consensus builds around a significant rebound in inflation. According to Jin10, the breadth of the energy shock will play a crucial role in determining the intensity of market impacts. The ongoing conflict between the U.S. and Iran has influenced the CPI statistics for March, with energy premiums potentially limiting the Federal Reserve's ability to cut interest rates. There is a risk that inflation expectations may become unanchored, raising questions about whether price pressures are a one-time shock or have spread to other sectors. #CPI#Inflation#EnergyShock#FederalReserve#InterestRates#USIranConflict#MarketImpact#PricePressure

Crypto M - Crypto News

@CryptoM · Post #65336 · 13.04.2026 г., 00:34

🚀 Bitcoin Faces Liquidity Challenges Amid Economic Indicators Bitcoin may face liquidity challenges, according to Delphi Digital's analysis. According to PANews, February's PCE data indicated a weakening in U.S. consumer spending even before the impact of the Iran conflict. Income levels have contracted, and real spending has shown almost no growth. Subsequently, March's CPI recorded a 3.3% increase, with energy accounting for three-quarters of the rise. The U.S. Leading Economic Index (LEI) is declining, typically leading real yields by about six months. The last occurrence of such a scenario was in 2022, when tight monetary policy coincided with an energy shock, resulting in Bitcoin's correlation with real yields turning deeply negative. #Bitcoin#LiquidityChallenges#EconomicIndicators#PCE#CPI#ConsumerSpending#USEconomy#LEI#RealYields#MonetaryPolicy#EnergyShock#BTC

Crypto M - Crypto News

@CryptoM · Post #64983 · 10.04.2026 г., 12:50

🚀 U.S. CPI Watch: U.S. CPI Jumps 0.9% in March, Highest Since 2022 as Oil Drives Inflation Surge Key TakeawaysU.S. CPI rose 0.9% MoM, largest increase since 2022.Inflation hit 3.3% YoY, fastest pace since 2024.Gasoline accounted for ~75% of the monthly increase.Core CPI (ex-food & energy) slowed to 0.2% MoM.Inflation Surges on Energy ShockLatest data from the U.S. Bureau of Labor Statistics shows a sharp acceleration in inflation for March, with headline CPI rising 0.9% month-on-month.This marks the largest monthly increase since 2022, highlighting the growing impact of energy prices on the broader economy.Gasoline Prices Drive Majority of IncreaseThe surge in inflation was overwhelmingly driven by rising fuel costs linked to geopolitical tensions.Key detail:Gasoline contributed nearly three-quarters (~75%) of the CPI increaseThe spike reflects the ripple effects of higher oil prices amid the Iran conflict, which has tightened global energy supply.Yearly Inflation Accelerates to 3.3%On a yearly basis:CPI rose 3.3% YoY, the fastest pace since 2024This suggests inflation pressures are re-accelerating after a period of relative stabilization.Core Inflation Shows Signs of CoolingDespite the headline surge, underlying inflation remains more contained:Core CPI (excluding food and energy): +0.2% MoMThis indicates that:Price pressures are still largely energy-drivenBroader inflation may not yet be fully entrenchedMarket ImplicationsThe data presents a mixed signal for markets:Bullish for rates / USD:Strong headline inflationReinforces “higher-for-longer” Fed stanceNeutral-to-positive for risk assets (conditionally):Core inflation remains controlledSuggests inflation spike may be temporary if energy stabilizesEnergy vs Core Inflation BattleThe key question going forward is whether energy-driven inflation spills into the broader economy.Markets will closely watch:Wage growth trendsCore inflation trajectoryOil price stabilityIf energy pressures persist, inflation could remain elevated. If not, the spike may prove temporary.For now, the data reinforces a macro environment of elevated uncertainty, with inflation increasingly tied to geopolitical developments. #USCPI#InflationSurge#EnergyShock#GasolinePrices#OilPrices#CoreCPI#GeopoliticalTensions#USInflation#EconomicData#MarketImplications#HigherForLonger#WageGrowth#RiskAssets#OilPriceStability#2024Inflation