Присоединение к Python: руководство

–ü—Ä–∏ —Ä–∞–±–æ—Ç–µ —Å–æ —Å–ø–∏—Å–∫–∞–º–∏ –≤ Python –≤—ã –º–æ–∂–µ—Ç–µ —Ä–µ—à–∏—Ç—å, —á—Ç–æ —Ö–æ—Ç–∏—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å —Å–æ–¥–µ—Ä–∂–∏–º–æ–µ —Å–ø–∏—Å–∫–∞ –≤ —Å—Ç—Ä–æ–∫—É. –ù–∞–ø—Ä–∏–º–µ—Ä, –≤—ã –º–æ–∂–µ—Ç–µ –∑–∞—Ö–æ—Ç–µ—Ç—å –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å —Å–ø–∏—Å–æ–∫ –≤—Å–µ—Ö –∏–º–µ–Ω —Å–æ—Ç—Ä—É–¥–Ω–∏–∫–æ–≤ –∫–æ–º–ø–∞–Ω–∏–∏ –≤ –æ–¥–Ω—É —Å—Ç—Ä–æ–∫—É.

–í–æ—Ç –≥–¥–µ —Å—Ç—Ä–æ–∫–∞ Python join () –≤—Ö–æ–¥–∏—Ç. –ú–µ—Ç–æ–¥ join () –ø–æ–∑–≤–æ–ª—è–µ—Ç –≤–∞–º –≤–∑—è—Ç—å —Å—É—â–µ—Å—Ç–≤—É—é—â–∏–π —Å–ø–∏—Å–æ–∫ –∏ –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞—Ç—å –µ–≥–æ –≤ –æ–¥–Ω—É —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 —Å—Ç—Ä–æ–∫ –∏ –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ Python join () –¥–ª—è –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞–Ω–∏—è —Å–ø–∏—Å–∫–æ–≤ –≤ –æ–¥–Ω—É —Å—Ç—Ä–æ–∫—É.

Python String: Refresher

A —Å—Ç—Ä–æ–∫–∞ - —ç—Ç–æ –ø–æ—Å–ª–µ–¥–æ–≤–∞—Ç–µ–ª—å–Ω–æ—Å—Ç—å –∏–∑ –æ–¥–Ω–æ–≥–æ –∏–ª–∏ –Ω–µ—Å–∫–æ–ª—å–∫–∏—Ö —Å–∏–º–≤–æ–ª–æ–≤. –°—Ç—Ä–æ–∫–∏ —è–≤–ª—è—é—Ç—Å—è –≤–∞–∂–Ω—ã–º —Ç–∏–ø–æ–º –¥–∞–Ω–Ω—ã—Ö –≤ –ø—Ä–æ–≥—Ä–∞–º–º–∏—Ä–æ–≤–∞–Ω–∏–∏, –ø–æ—Å–∫–æ–ª—å–∫—É –æ–Ω–∏ –ø–æ–∑–≤–æ–ª—è—é—Ç —Ä–∞–±–æ—Ç–∞—Ç—å —Å —Ç–µ–∫—Å—Ç–æ–≤—ã–º–∏ –¥–∞–Ω–Ω—ã–º–∏.

–í Python —Å—Ç—Ä–æ–∫–∏ –æ–±—ä—è–≤–ª—è—é—Ç—Å—è –≤ –ø—Ä–µ–¥–µ–ª–∞—Ö –æ–¥–Ω–æ–≥–æ (" ") –∏–ª–∏ –¥–≤–æ–π–Ω—ã–µ (" ") –∫–∞–≤—ã—á–∫–∏. –í–æ—Ç –ø—Ä–∏–º–µ—Ä —Å—Ç—Ä–æ–∫–∏:

–ö–æ–≥–¥–∞ –≤—ã —Ä–∞–±–æ—Ç–∞–µ—Ç–µ —Å–æ —Å–ø–∏—Å–∫–æ–º –≤ Python, –≤—ã –º–æ–∂–µ—Ç–µ –∑–∞—Ö–æ—Ç–µ—Ç—å –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞—Ç—å –µ–≥–æ –≤ —Å—Ç—Ä–æ–∫—É. –í–æ—Ç –≥–¥–µ –º–æ–∂–µ—Ç –±—ã—Ç—å –ø–æ–ª–µ–∑–µ–Ω –º–µ—Ç–æ–¥ join ().

Python String join ()

–§—É–Ω–∫—Ü–∏—è join () string –ø–æ–∑–≤–æ–ª—è–µ—Ç –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –≤—Å–µ —ç–ª–µ–º–µ–Ω—Ç—ã –≤ —Å–ø–∏—Å–∫–µ –∏ –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞—Ç—å —Ä–µ–∑—É–ª—å—Ç–∞—Ç –≤ —Å—Ç—Ä–æ–∫—É. –ú–µ—Ç–æ–¥ join () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Å—Ç—Ä–æ–∫—É, –æ–±—ä–µ–¥–∏–Ω–µ–Ω–Ω—É—é —Å —ç–ª–µ–º–µ–Ω—Ç–∞–º–∏ –≤ —Å–ø–∏—Å–∫–µ.

–°–∏–Ω—Ç–∞–∫—Å–∏—Å –º–µ—Ç–æ–¥–∞ —Ñ–æ—Ä–º–∞—Ç–∏—Ä–æ–≤–∞–Ω–∏—è —Å—Ç—Ä–æ–∫–∏ —Å–æ–µ–¥–∏–Ω–µ–Ω–∏—è —Å–ª–µ–¥—É—é—â–∏–π:

81% —É—á–∞—Å—Ç–Ω–∏–∫–æ–≤ –∑–∞—è–≤–∏–ª–∏, —á—Ç–æ –ø–æ—Å–ª–µ –±—É—Ç–∫–µ–º–ø–∞ –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. –ü–æ–ª—É—á–∏—Ç–µ –ø—Ä–∏–≥–ª–∞—à–µ–Ω–∏–µ –Ω–∞ —É—á–µ–±–Ω—ã–π –ª–∞–≥–µ—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.

separator –æ—Ç–Ω–æ—Å–∏—Ç—Å—è –∫ —Å–∏–º–≤–æ–ª–∞–º, –∫–æ—Ç–æ—Ä—ã–µ –¥–æ–ª–∂–Ω—ã –ø–æ—è–≤–ª—è—Ç—å—Å—è –º–µ–∂–¥—É –∫–∞–∂–¥—ã–º —ç–ª–µ–º–µ–Ω—Ç–æ–º –≤–æ –≤–Ω–æ–≤—å –æ–±—ä–µ–¥–∏–Ω–µ–Ω–Ω–æ–π —Å—Ç—Ä–æ–∫–µ, –∞ list_name - —ç—Ç–æ –∏–º—è —Å–ø–∏—Å–∫–∞, –∑–Ω–∞—á–µ–Ω–∏—è –∫–æ—Ç–æ—Ä–æ–≥–æ –≤—ã —Ö–æ—Ç–∏—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –≤ –æ–¥–Ω—É —Å—Ç—Ä–æ–∫—É.

–ü—Ä–∏–º–µ—Ä Python String join ()

–î–∞–≤–∞–π—Ç–µ —Ä–∞—Å—Å–º–æ—Ç—Ä–∏–º –ø—Ä–∏–º–µ—Ä, —á—Ç–æ–±—ã –æ–±—Å—É–¥–∏—Ç—å, –∫–∞–∫ —Ä–∞–±–æ—Ç–∞–µ—Ç –≤—Å—Ç—Ä–æ–µ–Ω–Ω–∞—è —Ñ—É–Ω–∫—Ü–∏—è join ().

–ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, —É –Ω–∞—Å –µ—Å—Ç—å —Å–ø–∏—Å–æ–∫, —Å–æ–¥–µ—Ä–∂–∞—â–∏–π –∏–º–µ–Ω–∞ –≤—Å–µ—Ö —Å–æ—Ç—Ä—É–¥–Ω–∏–∫–æ–≤ –æ—Ç–¥–µ–ª–∞ –ø—Ä–æ–¥–∞–∂ –∫–æ–º–ø–∞–Ω–∏–∏. –ú—ã —Ö–æ—Ç–∏–º –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å —Å–ø–∏—Å–æ–∫ –≤ —Å—Ç—Ä–æ–∫—É, –∑–Ω–∞—á–µ–Ω–∏—è –∫–æ—Ç–æ—Ä–æ–π —Ä–∞–∑–¥–µ–ª–µ–Ω—ã –∑–∞–ø—è—Ç–æ–π. –ú—ã –º–æ–≥–ª–∏ –±—ã —Å–¥–µ–ª–∞—Ç—å —ç—Ç–æ —Å –ø–æ–º–æ—â—å—é —Å–ª–µ–¥—É—é—â–µ–≥–æ –∫–æ–¥–∞:

–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç:

–î–∞–≤–∞–π—Ç–µ —Ä–∞–∑–±–µ—Ä–µ–º –Ω–∞—à–∏ –ø–æ—Å—Ç—Ä–æ—á–Ω–æ. –°–Ω–∞—á–∞–ª–∞ –º—ã –æ–±—ä—è–≤–ª—è–µ–º –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é " employee & rdquo ;, –≤ –∫–æ—Ç–æ—Ä–æ–π —Ö—Ä–∞–Ω—è—Ç—Å—è –∏–º–µ–Ω–∞ –≤—Å–µ—Ö —á–µ—Ç—ã—Ä–µ—Ö —Å–æ—Ç—Ä—É–¥–Ω–∏–∫–æ–≤ –æ—Ç–¥–µ–ª–∞ –ø—Ä–æ–¥–∞–∂. Th ru, –º—ã –æ–±—ä—è–≤–ª—è–µ–º –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é —Å –∏–º–µ–Ω–µ–º separator, –≤ –∫–æ—Ç–æ—Ä–æ–π —Ö—Ä–∞–Ω–∏—Ç—Å—è —Å–∏–º–≤–æ–ª, –∫–æ—Ç–æ—Ä—ã–π –º—ã —Ö–æ—Ç–∏–º –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è —Ä–∞–∑–¥–µ–ª–µ–Ω–∏—è –∑–Ω–∞—á–µ–Ω–∏–π –≤ –Ω–∞—à–µ–π –≤–Ω–æ–≤—å –ø—Ä–∏—Å–æ–µ–¥–∏–Ω–µ–Ω–Ω–æ–π —Å—Ç—Ä–æ–∫–µ –ø–æ–∑–∂–µ –≤ –Ω–∞—à–µ–º –∫–æ–¥–µ.

–ó–∞—Ç–µ–º –º—ã –∏—Å–ø–æ–ª—å–∑—É–π—Ç–µ –º–µ—Ç–æ–¥ join () –¥–ª—è –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—è —Å–æ–¥–µ—Ä–∂–∏–º–æ–≥–æ " —Å–æ—Ç—Ä—É–¥–Ω–∏–∫–æ–≤ " —Å–ø–∏—Å–æ–∫, —Ä–∞–∑–¥–µ–ª–µ–Ω–Ω—ã–π —Å –ø–æ–º–æ—â—å—é –∑–Ω–∞—á–µ–Ω–∏—è –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π separator (–∫–æ—Ç–æ—Ä–∞—è –≤ –¥–∞–Ω–Ω–æ–º —Å–ª—É—á–∞–µ —è–≤–ª—è–µ—Ç—Å—è –∑–∞–ø—è—Ç–æ–π). –ù–∞–∫–æ–Ω–µ—Ü, –º—ã –≤—ã–≤–æ–¥–∏–º –Ω–æ–≤—É—é –ø—Ä–∏—Å–æ–µ–¥–∏–Ω–µ–Ω–Ω—É—é —Å—Ç—Ä–æ–∫—É –Ω–∞ –∫–æ–Ω—Å–æ–ª—å.

–ö–∞–∫ –≤–∏–¥–∏—Ç–µ, –Ω–∞—à–∏ –∏–º–µ–Ω–∞ –Ω–µ —è–≤–ª—è—é—Ç—Å—è —Å–ø–∏—Å–∫–æ–º, –∞ —Ö—Ä–∞–Ω—è—Ç—Å—è –≤ –≤–∏–¥–µ —Å—Ç—Ä–æ–∫–∏. –ö–∞–∂–¥–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ –≤ –Ω–∞—à–µ–º —Å–ø–∏—Å–∫–µ —Ä–∞–∑–¥–µ–ª—è–µ—Ç—Å—è –∑–∞–ø—è—Ç–æ–π.

–û–±—Ä–∞—Ç–∏—Ç–µ –≤–Ω–∏–º–∞–Ω–∏–µ, —á—Ç–æ –º–µ—Ç–æ–¥ join () –Ω–µ –¥–æ–±–∞–≤–ª—è–µ—Ç –∞–≤—Ç–æ–º–∞—Ç–∏—á–µ—Å–∫–∏ –ø—Ä–æ–±–µ–ª –º–µ–∂–¥—É –∫–∞–∂–¥—ã–º –∑–Ω–∞—á–µ–Ω–∏–µ–º –≤ –Ω–æ–≤–æ–π —Å—Ç—Ä–æ–∫–µ. –ï—Å–ª–∏ –º—ã —Ö–æ—Ç–∏–º, —á—Ç–æ–±—ã –º–µ–∂–¥—É –∑–Ω–∞—á–µ–Ω–∏—è–º–∏ –≤ –Ω–∞—à–µ–π –Ω–æ–≤–æ–π —Å—Ç—Ä–æ–∫–µ –ø–æ—è–≤–∏–ª—Å—è –ø—Ä–æ–±–µ–ª, –Ω–∞–º –Ω—É–∂–Ω–æ –±—É–¥–µ—Ç —É–∫–∞–∑–∞—Ç—å –µ–≥–æ –≤ –Ω–∞—à–µ–º —Ä–∞–∑–¥–µ–ª–∏—Ç–µ–ª–µ.

–§—É–Ω–∫—Ü–∏—è join () —Ç–∞–∫–∂–µ —Ä–∞–±–æ—Ç–∞–µ—Ç —Å –Ω–∞–±–æ—Ä–∞–º–∏ –∏ –∫–æ—Ä—Ç–µ–∂–∞–º–∏. –ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, –º—ã —Å–æ—Ö—Ä–∞–Ω–∏–ª–∏ –∏–º–µ–Ω–∞ –Ω–∞—à–∏—Ö —Å–æ—Ç—Ä—É–¥–Ω–∏–∫–æ–≤ –≤ –Ω–∞–±–æ—Ä–µ (–∫–æ—Ç–æ—Ä—ã–π –æ–±–æ–∑–Ω–∞—á–µ–Ω —Ñ–∏–≥—É—Ä–Ω—ã–º–∏ —Å–∫–æ–±–∫–∞–º–∏). –ú—ã –º–æ–≥–ª–∏ –±—ã –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞—Ç—å –Ω–∞–±–æ—Ä –≤ —Å—Ç—Ä–æ–∫—É, –∏—Å–ø–æ–ª—å–∑—É—è —Å–ª–µ–¥—É—é—â–∏–π —Ç–æ—Ç –∂–µ –∫–æ–¥, —á—Ç–æ –∏ —Ä–∞–Ω—å—à–µ, –Ω–æ –≤–º–µ—Å—Ç–æ —É–∫–∞–∑–∞–Ω–∏—è —Å–ø–∏—Å–∫–∞ –º—ã –º–æ–∂–µ–º —É–∫–∞–∑–∞—Ç—å –Ω–∞–±–æ—Ä:

–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç:

–ö–∞–∫ –≤–∏–¥–∏—Ç–µ, —Ä–µ–∑—É–ª—å—Ç–∞—Ç –º–µ—Ç–æ–¥–∞ join () —Ç–∞–∫–æ–π –∂–µ, –∫–∞–∫ –∏ –≤ –Ω–∞—à–µ–º –ø—Ä–∏–º–µ—Ä–µ –≤—ã—à–µ. –û—Ç–ª–∏—á–∏–µ –Ω–∞—à–µ–≥–æ –∫–æ–¥–∞ –≤ —Ç–æ–º, —á—Ç–æ –≤–º–µ—Å—Ç–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏—è —Å–ø–∏—Å–∫–∞ (–æ–±–æ–∑–Ω–∞—á–µ–Ω–Ω–æ–≥–æ []) –º—ã –∏—Å–ø–æ–ª—å–∑—É–µ–º –Ω–∞–±–æ—Ä (–æ–±–æ–∑–Ω–∞—á–µ–Ω–Ω—ã–π {}). –ß—Ç–æ–±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ join () —Å –∫–æ—Ä—Ç–µ–∂–µ–º, –º—ã –¥–æ–ª–∂–Ω—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å —Ñ–∏–≥—É—Ä–Ω—ã–µ —Å–∫–æ–±–∫–∏ (()), –∫–æ—Ç–æ—Ä—ã–µ –æ–±–æ–∑–Ω–∞—á–∞—é—Ç —Ç–∏–ø –¥–∞–Ω–Ω—ã—Ö –Ω–∞–±–æ—Ä–∞, –≤–º–µ—Å—Ç–æ —Ñ–∏–≥—É—Ä–Ω—ã—Ö —Å–∫–æ–±–æ–∫ ({}), –∫–∞–∫ –≤ —ç—Ç–æ–º –ø—Ä–∏–º–µ—Ä–µ.

–ó–∞–∫–ª—é—á–µ–Ω–∏–µ

–ú–µ—Ç–æ–¥ Python join () –ø–æ–∑–≤–æ–ª—è–µ—Ç –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å —Å–æ–¥–µ—Ä–∂–∏–º–æ–µ —Å–ø–∏—Å–∫–∞ –≤ —Å—Ç—Ä–æ–∫—É –∏ –¥–æ–±–∞–≤–∏—Ç—å —Ä–∞–∑–¥–µ–ª–∏—Ç–µ–ª—å –º–µ–∂–¥—É –∫–∞–∂–¥—ã–º –∑–Ω–∞—á–µ–Ω–∏–µ–º –≤ –Ω–æ–≤–æ–π —Å—Ç—Ä–æ–∫–µ.

–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ —Å–æ —Å—Å—ã–ª–∫–æ–π –Ω–∞ –ø—Ä–∏–º–µ—Ä—ã –æ–±—Å—É–∂–¥–∞–ª–æ—Å—å, –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ Python join () –¥–ª—è –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—è —Å–æ–¥–µ—Ä–∂–∏–º–æ–≥–æ —Å–ø–∏—Å–æ–∫. –¢–µ–ø–µ—Ä—å –≤—ã –≥–æ—Ç–æ–≤—ã –Ω–∞—á–∞—Ç—å –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ join (), –∫–∞–∫ –ø—Ä–æ—Ñ–µ—Å—Å–∏–æ–Ω–∞–ª Python!