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Изворен канал @pythonotes · Post #84 · 13 мај
В продолжение прошлого поста про цифры в мире строк. Почему методы isdigit() и isnumeric() не определяют в строке float и отрицательные значения? Дело в том, что эти методы работают с ЦИФРАМИ, то есть с единичным символом. А строка "-2" или "3.4" это уже ЧИСЛО. То есть не символ а значение, записанное несколькими символами. Все озвученные методы проходятся по каждому символу строки и проверяют их индивидуально. В юникоде есть символы цифр с точками "🄀⒈⒉⒊⒋⒌⒍⒎⒏⒐" Каждая из них это ОДИН СИМВОЛ, поэтому он будет считаться цифрой >>> '⒌'.isdigit(), '⒌'.isnumeric() True, True Но когда мы пишем это выражение в два символа ( 5+точка), то это не работает. >>> '5.'.isdigit(), '5.'.isnumeric() False, False А еще есть такие символы >>> '⑴⑵⑶⑷⑸'.isdigit() True >>> '🄁🄂🄃'.isdigit() True Но они не преобразуются в десятичные цифры >>> '⒈'.isdecimal() False >>> '🄃'.isdecimal() False >>> '⑶'.isdecimal() False #basic
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@english_bbc_learning · Post #3811 · 20.12.2025 г., 15:34
🎄 Do you know how to respond when an English speaker wishes you a merry Christmas?’ Try this quiz - we’ll tell you the answer later! Are there any other ways you could respond? 🤶 [Image: Getty] EXTRA: This festive season, we're sharing some of our own stories about Christmas and New Year. Link in bio. #learnenglish#english#bbclearningenglish
@english_bbc_learning · Post #3761 · 16.11.2025 г., 08:45
😊 The next time you're feeling 'happy', try using one of these synonyms instead and boost your vocabulary! ✍️ See if you can use one of them in the comments. Note: not all the words are perfect synonyms. Pay attention to the context and grammar. MORE: Is happiness the key to success? 🔎 Find out in this episode of 6 Minute English. Click on the link in our bio. #englishlesson#englishwords#englishvocabulary#english#bbclearningenglish
@english_bbc_learning · Post #3759 · 10.11.2025 г., 09:49
🍱🥘🍲 The next time you eat something delicious, try using one of these synonyms instead and boost your vocabulary! ✍️ See if you can use one of them in the comments. Note: not all the words are perfect synonyms. Pay attention to the context and grammar. 🎧 MORE: Click on the link in our bio to listen to a 6 Minute English box set on the topic of food. #englishlesson#englishwords#englishvocabulary#english#bbclearningenglish
@english_bbc_learning · Post #3747 · 03.11.2025 г., 20:52
🚀 Take your English vocabulary to the next level by learning these alternatives to ‘less than’! Can you use one in a sentence - and do you know any more? 👀 Note: these words may not be exact synonyms - pay attention to the context. #englishlesson#englishwords#englishvocabulary#english#bbclearningenglish#englishteacher#lessthan
@english_bbc_learning · Post #3722 · 13.10.2025 г., 18:23
🤢😔 Everybody gets sick from time to time… so we made a vocabulary table with useful sickness-related English for you to learn, use, and share with a friend! 😄 Do you know any more English vocabulary related to illness? 👇 #englishvocabulary#learnenglish#englishphrases#britishenglish#EFL#ESL#ELT#vocab#bbclearningenglish
@english_bbc_learning · Post #3690 · 19.09.2025 г., 08:45
😱 Lots of animal species are at risk of extinction. 🐘🦁🦒Can you choose the correct word to fill the gap? We’ll tell you the correct answer later! (Image: Getty) #environment#extinction#extinct#earth#animals#learnenglish#bbclearningenglish#vocab#englishquiz
@english_bbc_learning · Post #3809 · 15.12.2025 г., 05:11
Here are 5 linkers that you can add to your conversation to make it flow better and sound more fluent! 1) To be honest – I’m going to give my opinion (even if it’s insulting!) 2) Actually – to correct information or say something surprising 3) Mind you – I’ve just thought of something that contrasts what I was saying 4) By the way – I’m going to introduce a new topic I’ve just remembered 5) Anyway – I’m going to finish the conversation or change topic now Add them to your conversations to help them flow! Which one is your favourite? #learnenglish#speakenglish#vocabulary#bbclearningenglish#britishenglish#formalenglish#linkers#naturalenglish#nativespeakerenglish#conversationskills#ncoversationalenglish
@english_bbc_learning · Post #3689 · 07.09.2025 г., 03:15
❓❓❓Do you know how to respond when an English speaker asks ‘Is the post office open today?’ 🏣Try this quiz - we’ll tell you the answer later! Are there any other ways you could respond?👇👇👇 [Image: Getty] #learnenglish#socialenglish#correctresponse#englishquiz#english#englishvocabulary#learnenglish#englishphrases#contraction#question#shortanswer#britishenglish#EFL#ESL#ELT#vocab#bbclearningenglish