Python Find: Руководство
Функции и методы Python
Michael Zippo
27.11.2021
–ú–µ—Ç–æ–¥ Python find () –æ–ø—Ä–µ–¥–µ–ª—è–µ—Ç –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞, –≤ –∫–æ—Ç–æ—Ä–æ–π –ø–µ—Ä–≤—ã–π —ç–∫–∑–µ–º–ø–ª—è—Ä —Å—Ç—Ä–æ–∫–∏ –≤—Å—Ç—Ä–µ—á–∞–µ—Ç—Å—è –≤ –¥—Ä—É–≥–æ–π —Å—Ç—Ä–æ–∫–µ. find () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç -1, –µ—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–µ –º–æ–∂–µ—Ç –±—ã—Ç—å –Ω–∞–π–¥–µ–Ω–æ. –í –ø—Ä–æ—Ç–∏–≤–Ω–æ–º —Å–ª—É—á–∞–µ –æ–Ω –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –Ω–∞—á–∞–ª—å–Ω—É—é –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞ –∑–Ω–∞—á–µ–Ω–∏—è, –∫–æ—Ç–æ—Ä–æ–µ –≤—ã –∏—â–µ—Ç–µ.
–ü–æ–∏—Å–∫ –ø–æ–¥—Å—Ç—Ä–æ–∫–∞ –≤ —Å—Ç—Ä–æ–∫–µ - –æ–±—ã—á–Ω–∞—è –æ–ø–µ—Ä–∞—Ü–∏—è –≤ Python. –ù–∞–ø—Ä–∏–º–µ—Ä, –ø—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —á—Ç–æ —É –≤–∞—Å –µ—Å—Ç—å —Å—Ç—Ä–æ–∫–∞, —Å–æ–¥–µ—Ä–∂–∞—â–∞—è —Å–ø–∏—Å–æ–∫ –≤–∞—à–∏—Ö –ª—é–±–∏–º—ã—Ö –Ω–∞–∑–≤–∞–Ω–∏–π –∫–Ω–∏–≥. –í—ã –º–æ–∂–µ—Ç–µ –Ω–∞–π—Ç–∏ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—É—é –∫–Ω–∏–≥—É –≤ —ç—Ç–æ–º —Å–ø–∏—Å–∫–µ –∏ –≤–µ—Ä–Ω—É—Ç—å –ø–æ–∑–∏—Ü–∏—é, –≤ –∫–æ—Ç–æ—Ä–æ–π —ç—Ç–∞ –∫–Ω–∏–≥–∞ –æ—Ç–æ–±—Ä–∞–∂–∞–µ—Ç—Å—è –≤ —Å–ø–∏—Å–∫–µ.
–í–æ—Ç –≥–¥–µ –ø–æ—è–≤–ª—è–µ—Ç—Å—è —Å—Ç—Ä–æ–∫–æ–≤—ã–π –º–µ—Ç–æ–¥ Python find (). –ú–µ—Ç–æ–¥ find () –ø–æ–∑–≤–æ–ª—è–µ—Ç –∏—Å–∫–∞—Ç—å –ø–æ–¥—Å—Ç—Ä–æ–∫—É –≤ Python. –≠—Ç–æ—Ç –º–µ—Ç–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞ –ø–µ—Ä–≤–æ–≥–æ –≤—Ö–æ–∂–¥–µ–Ω–∏—è —ç—Ç–æ–π –ø–æ–¥—Å—Ç—Ä–æ–∫–∏ –≤ —Å—Ç—Ä–æ–∫—É.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ —Å –ø—Ä–∏–º–µ—Ä–∞–º–∏ –æ–±—Å—É–∂–¥–∞—é—Ç—Å—è –æ—Å–Ω–æ–≤—ã –∏–Ω–¥–µ–∫—Å–∞—Ü–∏–∏ —Å—Ç—Ä–æ–∫ –≤ Python. –ó–∞—Ç–µ–º –º—ã –≤–æ—Å–ø–æ–ª—å–∑—É–µ–º—Å—è –º–µ—Ç–æ–¥–æ–º Python find (), —á—Ç–æ–±—ã –Ω–∞–π—Ç–∏ –ø–æ–¥—Å—Ç—Ä–æ–∫—É –≤ –±–æ–ª–µ–µ –∫—Ä—É–ø–Ω–æ–π —Å—Ç—Ä–æ–∫–µ.
–ò–Ω–¥–µ–∫—Å–∏—Ä–æ–≤–∞–Ω–∏–µ Python: —É—Ç–æ—á–Ω–µ–Ω–∏–µ
–°—Ç—Ä–æ–∫–∞ Python - —ç—Ç–æ –ø–æ—Å–ª–µ–¥–æ–≤–∞—Ç–µ–ª—å–Ω–æ—Å—Ç—å, —Å–æ–¥–µ—Ä–∂–∞—â–∞—è –æ–¥–∏–Ω –∏–ª–∏ –Ω–µ—Å–∫–æ–ª—å–∫–æ –æ—Ç–¥–µ–ª—å–Ω—ã—Ö —Å–∏–º–≤–æ–ª–æ–≤. –°—Ç—Ä–æ–∫–∏ –º–æ–≥—É—Ç —Å–æ–¥–µ—Ä–∂–∞—Ç—å –±—É–∫–≤—ã, –ø—Ä–æ–±–µ–ª—ã, —Å–∏–º–≤–æ–ª—ã –∏–ª–∏ —Ü–∏—Ñ—Ä—ã.
–†–∞—Å—Å–º–æ—Ç—Ä–∏–º —Å–ª–µ–¥—É—é—â—É—é —Å—Ç—Ä–æ–∫—É:
–≠—Ç–∞ —Å—Ç—Ä–æ–∫–∞ —Å–æ—Å—Ç–æ–∏—Ç –∏–∑ 12 —Å–∏–º–≤–æ–ª–æ–≤, –∫–∞–∂–¥—ã–π –∏–∑ –∫–æ—Ç–æ—Ä—ã—Ö –∑–∞–Ω–∏–º–∞–µ—Ç —Å–≤–æ—é –ø–æ–∑–∏—Ü–∏—é –≤ —Å—Ç—Ä–æ–∫–µ. –í–æ—Ç —Ä–∞–∑–±–∏–≤–∫–∞ –∏–Ω–¥–µ–∫—Å–∞ –¥–ª—è —ç—Ç–æ–π —Å—Ç—Ä–æ–∫–∏:
C | a | r | e | e | r | | K | a | r | m | a |
| 1 | 2 | 3 | < td> 4 5 | 6 | 7 | 8 | 9 | 10 | 11 |
–ú–µ—Ç–æ–¥ Python find ()
–ú–µ—Ç–æ–¥ Python find () –Ω–∞—Ö–æ–¥–∏—Ç –ø–µ—Ä–≤—ã–π —Ä–∞–∑ –∫–æ–Ω–∫—Ä–µ—Ç–Ω–∞—è —Å—Ç—Ä–æ–∫–∞ –ø–æ—è–≤–ª—è–µ—Ç—Å—è –≤ –¥—Ä—É–≥–æ–π —Å—Ç—Ä–æ–∫–µ. –ï—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–µ –Ω–∞–π–¥–µ–Ω–æ, –º–µ—Ç–æ–¥ find () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç -1. find () –æ—á–µ–Ω—å –ø–æ—Ö–æ–∂ –Ω–∞ –º–µ—Ç–æ–¥ Python index () , –Ω–æ index () –≤—ã–∑—ã–≤–∞–µ—Ç –∏—Å–∫–ª—é—á–µ–Ω–∏–µ, –µ—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–µ –Ω–∞–π–¥–µ–Ω–æ.
81% —É—á–∞—Å—Ç–Ω–∏–∫–æ–≤ –∑–∞—è–≤–∏–ª–∏, —á—Ç–æ –æ–Ω–∏ –ø–æ—á—É–≤—Å—Ç–≤–æ–≤–∞–ª–∏ —Å–µ–±—è –±–æ–ª–µ–µ —É–≤–µ—Ä–µ–Ω–Ω—ã–º–∏ –≤ —Å–≤–æ–∏—Ö –ø–µ—Ä—Å–ø–µ–∫—Ç–∏–≤–∞—Ö —Ç—Ä—É–¥–æ—É—Å—Ç—Ä–æ–π—Å—Ç–≤–∞ –≤ —Å—Ñ–µ—Ä–µ –≤—ã—Å–æ–∫–∏—Ö —Ç–µ—Ö–Ω–æ–ª–æ–≥–∏–π –ø–æ—Å–ª–µ –ø–æ—Å–µ—â–µ–Ω–∏—è —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è. –ü–æ–ª—É—á–∏—Ç–µ –ø—Ä–∏–≥–ª–∞—à–µ–Ω–∏–µ –Ω–∞ —É—á–µ–±–Ω—ã–π –∫—É—Ä—Å —Å–µ–≥–æ–¥–Ω—è.
–°—Ä–µ–¥–Ω–∏–π –≤—ã–ø—É—Å–∫–Ω–∏–∫ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –ø–æ—Ç—Ä–∞—Ç–∏–ª –º–µ–Ω–µ–µ —à–µ—Å—Ç–∏ –º–µ—Å—è—Ü–µ–≤ –Ω–∞ –ø–µ—Ä–µ—Ö–æ–¥–Ω—É—é –∫–∞—Ä—å–µ—Ä—É, –æ—Ç –Ω–∞—á–∞–ª–∞ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –¥–æ –ø–æ–∏—Å–∫–∞ —Å–≤–æ–µ–π –ø–µ—Ä–≤–æ–π —Ä–∞–±–æ—Ç—ã.
–°–∏–Ω—Ç–∞–∫—Å–∏—Å –¥–ª—è find () –≤—ã–≥–ª—è–¥–∏—Ç —Å–ª–µ–¥—É—é—â–∏–º –æ–±—Ä–∞–∑–æ–º:
–ú–µ—Ç–æ–¥ find () –ø—Ä–∏–Ω–∏–º–∞–µ—Ç —Ç—Ä–∏ –ø–∞—Ä–∞–º–µ—Ç—Ä–∞:
- string_to_find : –ø–æ–¥—Å—Ç—Ä–æ–∫–∞, –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–∞—á–∞–ª—å–Ω–æ–≥–æ –∏–Ω–¥–µ–∫—Å–∞ –∫–æ—Ç–æ—Ä–æ–π –≤—ã —Ö–æ—Ç–∏—Ç–µ –Ω–∞–π—Ç–∏ –≤ —Å—Ç—Ä–æ–∫–µ. (–û–±—è–∑–∞—Ç–µ–ª—å–Ω–æ)
- –Ω–∞—á–∞–ª–æ : –ø–æ–∑–∏—Ü–∏—è –∏–Ω–¥–µ–∫—Å–∞, —Å –∫–æ—Ç–æ—Ä–æ–π –¥–æ–ª–∂–µ–Ω –Ω–∞—á–∏–Ω–∞—Ç—å—Å—è –ø–æ–∏—Å–∫. –ó–Ω–∞—á–µ–Ω–∏–µ –ø–æ —É–º–æ–ª—á–∞–Ω–∏—é –¥–ª—è —ç—Ç–æ–≥–æ –ø–∞—Ä–∞–º–µ—Ç—Ä–∞ - 0. (–ù–µ–æ–±—è–∑–∞—Ç–µ–ª—å–Ω–æ).
- end : –ø–æ–∑–∏—Ü–∏—è –∏–Ω–¥–µ–∫—Å–∞, –Ω–∞ –∫–æ—Ç–æ—Ä–æ–π –¥–æ–ª–∂–µ–Ω –∑–∞–≤–µ—Ä—à–∏—Ç—å—Å—è –ø–æ–∏—Å–∫. (–ù–µ–æ–±—è–∑–∞—Ç–µ–ª—å–Ω–æ)
Метод find () возвращает самый низкий индекс, с которого начинается первое вхождение строки. Если подстрока, которую вы ищете, не может быть найдена в строке, возвращается значение -1. ​​
–í—ã –º–æ–∂–µ—Ç–µ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –∏–Ω—Å—Ç—Ä—É–∫—Ü–∏—é Python if , —á—Ç–æ–±—ã –æ—Ü–µ–Ω–∏—Ç—å, –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç—Å—è –ª–∏ -1. –≠—Ç–æ –ø–æ–∑–≤–æ–ª–∏—Ç –≤–∞–º —Å–ø—Ä–∞–≤–∏—Ç—å—Å—è —Å –ª—é–±—ã–º–∏ –ø—Ä–æ–±–ª–µ–º–∞–º–∏, –∫–æ—Ç–æ—Ä—ã–µ –≤–æ–∑–Ω–∏–∫–∞—é—Ç, –µ—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ, –∫–æ—Ç–æ—Ä–æ–µ –≤—ã –∏—â–µ—Ç–µ, –Ω–µ –º–æ–∂–µ—Ç –±—ã—Ç—å –Ω–∞–π–¥–µ–Ω–æ.
–¢–µ–ø–µ—Ä—å –º—ã –∑–Ω–∞–µ–º —Å–∏–Ω—Ç–∞–∫—Å–∏—Å –¥–ª—è –º–µ—Ç–æ–¥–∞ find (), –¥–∞–≤–∞–π—Ç–µ —Ä–∞—Å—Å–º–æ—Ç—Ä–∏–º –ø—Ä–∏–º–µ—Ä, –¥–µ–º–æ–Ω—Å—Ç—Ä–∏—Ä—É—é—â–∏–π –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏–µ —ç—Ç–æ–≥–æ –º–µ—Ç–æ–¥–∞.
–ü—Ä–∏–º–µ—Ä—ã –ø–æ–∏—Å–∫–∞ Python
–ü—Ä–∏–º–µ—Ä Python find (): –ø–æ–∏—Å–∫ —Å—Ç—Ä–æ–∫–∏
–ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —É –Ω–∞—Å –µ—Å—Ç—å —Å—Ç—Ä–æ–∫–∞, —Å–æ–¥–µ—Ä–∂–∞—â–∞—è —Å–ø–∏—Å–æ–∫ —Å–∞–º—ã—Ö –ø—Ä–æ–¥–∞–≤–∞–µ–º—ã—Ö –∞—Ä–æ–º–∞—Ç–∏–∑–∞—Ç–æ—Ä—ã –º–æ—Ä–æ–∂–µ–Ω–æ–≥–æ –≤ –º–µ—Å—Ç–Ω–æ–º –º–∞–≥–∞–∑–∏–Ω–µ –º–æ—Ä–æ–∂–µ–Ω–æ–≥–æ.
–≠—Ç–∞ —Å—Ç—Ä–æ–∫–∞ –≤—ã–≥–ª—è–¥–∏—Ç —Å–ª–µ–¥—É—é—â–∏–º –æ–±—Ä–∞–∑–æ–º:
–ù–∞—à–∏ –¥–∞–Ω–Ω—ã–µ –æ—Ç—Ñ–æ—Ä–º–∞—Ç–∏—Ä–æ–≤–∞–Ω—ã –∫–∞–∫ —Å—Ç—Ä–æ–∫–∞ (–æ–±–æ–∑–Ω–∞—á–µ–Ω–∞ –∫–∞–≤—ã—á–∫–∞–º–∏).
–ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, –º—ã —Ö–æ—Ç–∏–º –Ω–∞–π—Ç–∏ –∑–∞–ø–∏—Å—å " Cookies and Cream " –ø–æ—è–≤–ª—è–µ—Ç—Å—è –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ. –ù–∞–º –∏–Ω—Ç–µ—Ä–µ—Å–Ω–æ —É–∑–Ω–∞—Ç—å –±–æ–ª—å—à–µ –æ —Ç–æ–º, –Ω–∞—Å–∫–æ–ª—å–∫–æ –ø–æ–ø—É–ª—è—Ä–Ω—ã –ø–µ—á–µ–Ω—å–µ —Å–æ —Å–ª–∏–≤–æ—á–Ω—ã–º –≤–∫—É—Å–æ–º. –î–ª—è —ç—Ç–æ–≥–æ –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –≤—Å—Ç—Ä–æ–µ–Ω–Ω—É—é —Ñ—É–Ω–∫—Ü–∏—é find (). –í–æ—Ç –∫–æ–¥, –∫–æ—Ç–æ—Ä—ã–π –º—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–ª–∏ –±—ã, —á—Ç–æ–±—ã –Ω–∞–π—Ç–∏ —ç—Ç—É –∑–∞–ø–∏—Å—å –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ:
–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: 25.
–°–Ω–∞—á–∞–ª–∞ –º—ã –æ–±—ä—è–≤–ª—è–µ–º –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é Python –ø–æ–¥ –Ω–∞–∑–≤–∞–Ω–∏–µ–º " flavors & rdquo ;. –í —ç—Ç–æ–π –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π —Ö—Ä–∞–Ω–∏—Ç—Å—è —Å–ø–∏—Å–æ–∫ —Å–∞–º—ã—Ö –ø–æ–ø—É–ª—è—Ä–Ω—ã—Ö –≤–∫—É—Å–æ–≤. –ø—Ä–æ–¥–∞–µ—Ç—Å—è –≤ –º–µ—Å—Ç–Ω–æ–º –º–∞–≥–∞–∑–∏–Ω–µ –º–æ—Ä–æ–∂–µ–Ω–æ–≥–æ.
–ó–∞—Ç–µ–º –º—ã –∏—Å–ø–æ–ª—å–∑—É–µ–º –º–µ—Ç–æ–¥ find (), —á—Ç–æ–±—ã –Ω–∞–π—Ç–∏ —Ç–µ—Ä–º–∏–Ω " Cookies and Cream " –≤ –Ω–∞—à–µ–º —Å–ø–∏—Å–∫–µ –∏ –ø—Ä–∏—Å–≤–æ–∏—Ç—å –≤–æ–∑–≤—Ä–∞—â–µ–Ω–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ –º–µ—Ç–æ–¥–æ–º find () –∫ –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π " cookies_and_cream. " & nbsp;
–ù–∞—à –∫–æ–¥ –≤–µ—Ä–Ω—É–ª –∑–Ω–∞—á–µ–Ω–∏–µ 25, —á—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç, —á—Ç–æ " Cookies and Cream " –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è —Å –ø–æ–∑–∏—Ü–∏—è –∏–Ω–¥–µ–∫—Å–∞ 25 –≤ –Ω–∞—à–µ–º —Å–ø–∏—Å–∫–µ.
Python find () –ü—Ä–∏–º–µ—Ä: –Ω–∞—á–∞—Ç—å –ø–æ–∏—Å–∫ –ø–æ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–º—É –∏–Ω–¥–µ–∫—Å—É
–¢–µ–ø–µ—Ä—å –ø—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —á—Ç–æ –º—ã —Ö–æ—Ç–∏–º –ø—Ä–æ–≤–µ—Ä–∏—Ç—å, –ø–æ—è–≤–ª—è–µ—Ç—Å—è –ª–∏ " Choc Chip " –ø–æ—Å–ª–µ & ldquo ; Cookies and Cream " –≤ –Ω–∞—à–µ–º —Å–ø–∏—Å–∫–µ. –ú—ã –∑–Ω–∞–µ–º, —á—Ç–æ " Cookies and Cream " –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è —Å –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ 25, –ø–æ—ç—Ç–æ–º—É –º—ã —Ö–æ—Ç–∏–º –Ω–∞–π—Ç–∏ & l dquo; Choc Chip " –ø–æ—Å–ª–µ —ç—Ç–æ–π –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞.
–ú—ã –º–æ–≥–ª–∏ –±—ã —Å–¥–µ–ª–∞—Ç—å —ç—Ç–æ, –∏—Å–ø–æ–ª—å–∑—É—è —Å–ª–µ–¥—É—é—â–∏–π –∫–æ–¥:
–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: 55. –ú—ã –∏—Å–ø–æ–ª—å–∑—É–µ–º < em> find (), —á—Ç–æ–±—ã –Ω–∞–π—Ç–∏ " Choc Chip " –≤ –Ω–∞—à–∏—Ö " –∞—Ä–æ–º–∞—Ç–∞—Ö " –Ω–∏—Ç—å. –ú—ã —É–∫–∞–∑—ã–≤–∞–µ–º –æ–¥–∏–Ω –ø–∞—Ä–∞–º–µ—Ç—Ä, 25, –∫–æ—Ç–æ—Ä—ã–π —É–∫–∞–∑—ã–≤–∞–µ—Ç, –≥–¥–µ –≤ —Å—Ç—Ä–æ–∫–µ –¥–æ–ª–∂–µ–Ω –Ω–∞—á–∏–Ω–∞—Ç—å—Å—è –Ω–∞—à –ø–æ–∏—Å–∫.
–ü–æ—Ç–æ–º—É —á—Ç–æ " Choc Chip " –ø–æ—è–≤–ª—è–µ—Ç—Å—è –ø–æ—Å–ª–µ " Cookies and Cream & rdquo ;, –±—ã–ª–æ –≤–æ–∑–≤—Ä–∞—â–µ–Ω–æ –ø–æ–ª–æ–∂–∏—Ç–µ–ª—å–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ. –≠—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ —è–≤–ª—è–µ—Ç—Å—è –∏–Ω–¥–µ–∫—Å–Ω–æ–π –ø–æ–∑–∏—Ü–∏–µ–π, –≤ –∫–æ—Ç–æ—Ä–æ–π " Choc Chip " –ø–æ—è–≤–∏—Ç—Å—è –≤ —Å–ø–∏—Å–∫–µ.
–ü—Ä–∏–º–µ—Ä Python find (): –ø–æ–∏—Å–∫ –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–º –¥–∏–∞–ø–∞–∑–æ–Ω–µ
–¢–µ–ø–µ—Ä—å –ø—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —á—Ç–æ –º—ã —Ö–æ—Ç–∏–º –Ω–∞–π—Ç–∏, –µ—Å—Ç—å –ª–∏ " –ø–µ–∫–∞–Ω —Å –º–∞—Å–ª–æ–º " –ø–æ—è–≤–ª—è–µ—Ç—Å—è –ø–µ—Ä–µ–¥ " Cookies and Cream & rdquo ;. –ú—ã –∑–Ω–∞–µ–º, —á—Ç–æ " Cookies and Cream " –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è —Å –ø–æ–∑–∏—Ü–∏–∏ –∏–Ω–¥–µ–∫—Å–∞ 25, –ø–æ—ç—Ç–æ–º—É –Ω–∞–º –Ω–µ –Ω—É–∂–Ω–æ –∏—Å–∫–∞—Ç—å " –ø–µ–∫–∞–Ω —Å –º–∞—Å–ª–æ–º " –ø–æ—Å–ª–µ —ç—Ç–æ–≥–æ –º–æ–º–µ–Ω—Ç–∞. –ß—Ç–æ–±—ã –≤—ã–ø–æ–ª–Ω–∏—Ç—å —ç—Ç–æ—Ç –ø–æ–∏—Å–∫, –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å —Å–ª–µ–¥—É—é—â–∏–π –∫–æ–¥:
"–ö–∞—Ä—å–µ—Ä–Ω–∞—è –∫–∞—Ä–º–∞ –≤–æ—à–ª–∞ –≤ –º–æ—é –∂–∏–∑–Ω—å, –∫–æ–≥–¥–∞ —è –±–æ–ª—å—à–µ –≤—Å–µ–≥–æ –≤ –Ω–µ–π –Ω—É–∂–¥–∞–ª–∞—Å—å, –∏ –±—ã—Å—Ç—Ä–æ –ø–æ–º–æ–≥–ª–∞ –º–Ω–µ –Ω–∞–π—Ç–∏ –º–µ—Å—Ç–æ –≤ —É—á–µ–±–Ω–æ–º –ª–∞–≥–µ—Ä–µ. –ß–µ—Ä–µ–∑ –¥–≤–∞ –º–µ—Å—è—Ü–∞ –ø–æ—Å–ª–µ –≤—ã–ø—É—Å–∫–∞ —è –Ω–∞—à–ª–∞ —Ä–∞–±–æ—Ç—É —Å–≤–æ–µ–π –º–µ—á—Ç—ã, –∫–æ—Ç–æ—Ä–∞—è —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤—É–µ—Ç –º–æ–∏–º —Ü–µ–Ω–Ω–æ—Å—Ç—è–º –∏ —Ü–µ–ª—è–º –≤ –∂–∏–∑–Ω–∏! "
–í–µ–Ω–µ—Ä–∞, –∏–Ω–∂–µ–Ω–µ—Ä-–ø—Ä–æ–≥—Ä–∞–º–º–∏—Å—Ç Rockbot
–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: 9. –í —ç—Ç–æ–º –ø—Ä–∏–º–µ—Ä–µ , –º—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–ª–∏ find (), —á—Ç–æ–±—ã –Ω–∞–π—Ç–∏ " –ü–µ–∫–∞–Ω —Å –º–∞—Å–ª–æ–º " –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ. –ú—ã —É–∫–∞–∑–∞–ª–∏ 0 –∫–∞–∫ –ø–æ–∑–∏—Ü–∏—é, –≤ –∫–æ—Ç–æ—Ä–æ–π –Ω–∞—à –ø–æ–∏—Å–∫ –¥–æ–ª–∂–µ–Ω –Ω–∞—á–∏–Ω–∞—Ç—å—Å—è, –∏ 25 –∫–∞–∫ –ø–æ–∑–∏—Ü–∏—é, –≤ –∫–æ—Ç–æ—Ä–æ–π –Ω–∞—à –ø–æ–∏—Å–∫ –¥–æ–ª–∂–µ–Ω –∑–∞–∫–æ–Ω—á–∏—Ç—å—Å—è.
–ü–æ—Å–∫–æ–ª—å–∫—É " –ü–µ–∫–∞–Ω —Å –º–∞—Å–ª–æ–º " —Å—Ç–æ–∏—Ç –ø–µ—Ä–µ–¥ " Cookies and Cream & rdquo ;, –±—ã–ª–æ –≤–æ–∑–≤—Ä–∞—â–µ–Ω–æ –ø–æ–ª–æ–∂–∏—Ç–µ–ª—å–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ —Å –∏–Ω–¥–µ–∫—Å–Ω–æ–π –ø–æ–∑–∏—Ü–∏–µ–π " –ü–µ–∫–∞–Ω —Å –º–∞—Å–ª–æ–º " –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ.
–û–±–∞ –º–µ—Ç–æ–¥–∞ Python find () –∏ Python index () –≤–æ–∑–≤—Ä–∞—â–∞—é—Ç –ø–æ–∑–∏—Ü–∏—é –∏–Ω–¥–µ–∫—Å–∞ –∑–Ω–∞—á–µ–Ω–∏—è –≤ —Å—Ç—Ä–æ–∫–µ.
–í –æ—Ç–ª–∏—á–∏–µ –æ—Ç index (), find () –Ω–µ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –∏—Å–∫–ª—é—á–µ–Ω–∏–µ, –µ—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–µ –Ω–∞–π–¥–µ–Ω–æ. –í–º–µ—Å—Ç–æ —ç—Ç–æ–≥–æ –º–µ—Ç–æ–¥ find () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç -1. –≠—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç, —á—Ç–æ –≤—ã –º–æ–∂–µ—Ç–µ –æ–±—Ä–∞–±–æ—Ç–∞—Ç—å —Ç–æ, —á—Ç–æ –ø—Ä–æ–∏—Å—Ö–æ–¥–∏—Ç, –µ—Å–ª–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–µ –Ω–∞–π–¥–µ–Ω–æ, –±–µ–∑ –æ–±—Ä–∞–±–æ—Ç–∫–∏ –æ—à–∏–±–∫–∏ .
–≠—Ç–æ—Ç —É—á–µ–±–Ω–∏–∫ –æ–±—Å—É–∂–¥–∞–ª—Å—è, wi –°—Å—ã–ª–∫–∞ –Ω–∞ –ø—Ä–∏–º–µ—Ä—ã, –æ—Å–Ω–æ–≤—ã –∏–Ω–¥–µ–∫—Å–∏—Ä–æ–≤–∞–Ω–∏—è —Å—Ç—Ä–æ–∫ –∏ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏–µ –º–µ—Ç–æ–¥–∞ Python find (). –¢–µ–ø–µ—Ä—å –≤—ã –≤–æ–æ—Ä—É–∂–µ–Ω—ã –∑–Ω–∞–Ω–∏—è–º–∏, –Ω–µ–æ–±—Ö–æ–¥–∏–º—ã–º–∏ –¥–ª—è –ø–æ–∏—Å–∫–∞ –ø–æ–¥—Å—Ç—Ä–æ–∫ –≤ —Å—Ç—Ä–æ–∫–µ —Å –ø–æ–º–æ—â—å—é find (), –∫–∞–∫ —ç–∫—Å–ø–µ—Ä—Ç!
–ß—Ç–æ–±—ã –ø–æ–ª—É—á–∏—Ç—å —Ä–µ–∫–æ–º–µ–Ω–¥–∞—Ü–∏–∏ –ø–æ –æ—Å–Ω–æ–≤–Ω—ã–º —É—á–µ–±–Ω—ã–º —Ä–µ—Å—É—Ä—Å–∞–º –∏ –∫—É—Ä—Å–∞–º Python, –ø—Ä–æ–≤–µ—Ä—å—Ç–µ –∏–∑ –Ω–∞—à–µ–≥–æ –†—É–∫–æ–≤–æ–¥—Å—Ç–≤–∞ –ø–æ –∏–∑—É—á–µ–Ω–∏—é Python .