Пошаговое руководство по Len Python

len () –ú–µ—Ç–æ–¥ Python –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –¥–ª–∏–Ω—É —Å–ø–∏—Å–∫–∞, —Å—Ç—Ä–æ–∫–∏, —Å–ª–æ–≤–∞—Ä—è –∏–ª–∏ –ª—é–±–æ–≥–æ –¥—Ä—É–≥–æ–≥–æ –∏—Ç–µ—Ä–∞—Ç–∏–≤–Ω–æ–≥–æ —Ñ–æ—Ä–º–∞—Ç–∞ –¥–∞–Ω–Ω—ã—Ö. –≤ Python. –ú–µ—Ç–æ–¥ len () –ø—Ä–∏–Ω–∏–º–∞–µ—Ç –æ–¥–∏–Ω –∞—Ä–≥—É–º–µ–Ω—Ç: –ø–æ–≤—Ç–æ—Ä—è–µ–º—ã–π –æ–±—ä–µ–∫—Ç. len () - —ç—Ç–æ –≤—Å—Ç—Ä–æ–µ–Ω–Ω—ã–π –º–µ—Ç–æ–¥ –≤ Python.

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

–ò–º–µ–Ω–Ω–æ –∑–¥–µ—Å—å –Ω–∞ –ø–æ–º–æ—â—å –ø—Ä–∏—Ö–æ–¥–∏—Ç –º–µ—Ç–æ–¥ len () –≤ Python. Python len () - —ç—Ç–æ –≤—Å—Ç—Ä–æ–µ–Ω–Ω–∞—è —Ñ—É–Ω–∫—Ü–∏—è, –∫–æ—Ç–æ—Ä—É—é –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è –≤—ã—á–∏—Å–ª–µ–Ω–∏—è –¥–ª–∏–Ω—ã –ª—é–±–æ–≥–æ –∏—Ç–µ—Ä–∏—Ä—É–µ–º–æ–≥–æ –æ–±—ä–µ–∫—Ç–∞. –ò—Ç–∞–∫, –µ—Å–ª–∏ –≤—ã —Ö–æ—Ç–∏—Ç–µ –ø–æ–ª—É—á–∏—Ç—å –¥–ª–∏–Ω—É —Å—Ç—Ä–æ–∫–∏, —Å–ø–∏—Å–∫–∞, —Å–ª–æ–≤–∞—Ä—è –∏–ª–∏ –¥—Ä—É–≥–æ–≥–æ –∏—Ç–µ—Ä–∞—Ç–∏–≤–Ω–æ–≥–æ –æ–±—ä–µ–∫—Ç–∞ –≤ Python, –º–æ–∂–µ—Ç –±—ã—Ç—å –ø–æ–ª–µ–∑–µ–Ω –º–µ—Ç–æ–¥ len ().

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

Len Python

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

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

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

–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç —Ü–µ–ª–æ—á–∏—Å–ª–µ–Ω–Ω–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ, –∫–æ—Ç–æ—Ä–æ–µ –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è–µ—Ç –¥–ª–∏–Ω—É –Ω–∞—à–µ–≥–æ —Å–ø–∏—Å–∫–∞: 6. –í –ø–µ—Ä–≤–æ–π —Å—Ç—Ä–æ–∫–µ –Ω–∞—à–µ–π –ø—Ä–æ–≥—Ä–∞–º–º—ã –º—ã –æ–±—ä—è–≤–∏–ª–∏ –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é —Å –∏–º–µ–Ω–µ–º last_month_sales, –≤ –∫–æ—Ç–æ—Ä–æ–π —Ö—Ä–∞–Ω—è—Ç—Å—è –≤—Å–µ –ø—Ä–æ–¥–∞–∂–∏, —Å–¥–µ–ª–∞–Ω–Ω—ã–µ –≤ –¥–∏–ª–µ—Ä—Å–∫–æ–º —Ü–µ–Ω—Ç—Ä–µ –∑–∞ –ø–æ—Å–ª–µ–¥–Ω–∏–π –º–µ—Å—è—Ü. –ó–∞—Ç–µ–º –º—ã –∏—Å–ø–æ–ª—å–∑—É–µ–º len () –¥–ª—è –≤—ã—á–∏—Å–ª–µ–Ω–∏—è –¥–ª–∏–Ω—ã –Ω–∞—à–µ–≥–æ –º–∞—Å—Å–∏–≤–∞ –∏ –≤—ã–≤–æ–¥–∏–º —ç—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å —Å –ø–æ–º–æ—â—å—é print (). & Nbsp;

< p> 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 –∫—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–∞ —Å–º–µ–Ω—É –∫–∞—Ä—å–µ—Ä—ã, –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.

–ö—Ä–æ–º–µ —Ç–æ–≥–æ, –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å len (), —á—Ç–æ–±—ã –ø–æ–ª—É—á–∏—Ç—å –¥–ª–∏–Ω—É —Å—Ç—Ä–æ–∫–∏. –î–æ–ø—É—Å—Ç–∏–º, –≤—ã —Ä–∞–∑—Ä–∞–±–∞—Ç—ã–≤–∞–µ—Ç–µ –∏–≥—Ä—É —Å –±—ã—Å—Ç—Ä—ã–º –Ω–∞–±–æ—Ä–æ–º —Ç–µ–∫—Å—Ç–∞ –∏ —Ö–æ—Ç–∏—Ç–µ –∑–Ω–∞—Ç—å, —Å–∫–æ–ª—å–∫–æ —Å–∏–º–≤–æ–ª–æ–≤ –Ω–∞–±—Ä–∞–ª –∏–≥—Ä–æ–∫. –î–ª—è –¥–æ—Å—Ç–∏–∂–µ–Ω–∏—è —ç—Ç–æ–π —Ü–µ–ª–∏ –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å —Å–ª–µ–¥—É—é—â–∏–π –∫–æ–¥:

–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: 90. –í Python —Å—Ç—Ä–æ–∫–∏ –∏–Ω–¥–µ–∫—Å–∏—Ä—É—é—Ç—Å—è, —á—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç, —á—Ç–æ –∫–∞–∂–¥—ã–π —Å–∏–º–≤–æ–ª & mdash; –≤–∫–ª—é—á–∞—è –ø—Ä–æ–±–µ–ª—ã –∏ —Å–∏–º–≤–æ–ª—ã & mdash; –¥–∞–µ—Ç—Å—è —Å–æ–±—Å—Ç–≤–µ–Ω–Ω–∞—è —Ü–µ–Ω–Ω–æ—Å—Ç—å. –ò—Ç–∞–∫, —Ñ—É–Ω–∫—Ü–∏—è len () –ø–æ–¥—Å—á–∏—Ç—ã–≤–∞–µ—Ç, —Å–∫–æ–ª—å–∫–æ —ç–ª–µ–º–µ–Ω—Ç–æ–≤ (–∏–ª–∏ —Å–∏–º–≤–æ–ª–æ–≤) –Ω–∞—Ö–æ–¥–∏—Ç—Å—è –≤ –Ω–∞—à–µ–π —Å—Ç—Ä–æ–∫–µ, –∫–æ—Ç–æ—Ä–∞—è –≤ –¥–∞–Ω–Ω–æ–º —Å–ª—É—á–∞–µ —Ä–∞–≤–Ω–∞ 90.

Python Len –≤ —Ü–∏–∫–ª–µ For

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

–ù–∞–ø—Ä–∏–º–µ—Ä, –¥–æ–ø—É—Å—Ç–∏–º, —á—Ç–æ –º—ã —Ö–æ—Ç–∏–º —Ä–∞—Å–ø–µ—á–∞—Ç–∞—Ç—å —Å–ø–∏—Å–æ–∫ –≤—Å–µ—Ö –∞–≤—Ç–æ–º–æ–±–∏–ª–µ–π, –ø—Ä–æ–¥–∞–Ω–Ω—ã—Ö –Ω–∞—à–∏–º –∞–≤—Ç–æ—Å–∞–ª–æ–Ω–æ–º –≤ –ø—Ä–æ—à–ª–æ–º –º–µ—Å—è—Ü–µ, –∏ –∫–∞–∂–¥–æ–µ –∑–Ω–∞—á–µ–Ω–∏–µ –¥–æ–ª–∂–Ω–æ –±—ã—Ç—å –≤ –Ω–æ–≤–æ–π —Å—Ç—Ä–æ–∫–µ. –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–¥ –∏—Å–ø–æ–ª—å–∑—É–µ—Ç len () –¥–ª—è —Ä–∞—Å—á–µ—Ç–∞ –∫–æ–ª–∏—á–µ—Å—Ç–≤–∞ –∞–≤—Ç–æ–º–æ–±–∏–ª–µ–π, –ø—Ä–æ–¥–∞–Ω–Ω—ã—Ö –≤ –ø—Ä–æ—à–ª–æ–º –º–µ—Å—è—Ü–µ, –∞ –∑–∞—Ç–µ–º —Ü–∏–∫–ª for –∏—Å–ø–æ–ª—å–∑—É–µ—Ç —ç—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ –¥–ª—è —Ü–∏–∫–ª–∏—á–µ—Å–∫–æ–≥–æ –ø–µ—Ä–µ–±–æ—Ä–∞ –∫–∞–∂–¥–æ–π –º–∞—à–∏–Ω—ã. –≤ –º–∞—Å—Å–∏–≤–µ last_month_sales. –í–æ—Ç —Ä–µ–∑—É–ª—å—Ç–∞—Ç –Ω–∞—à–µ–≥–æ –∫–æ–¥–∞:

–ó–∞–∫–ª—é—á–µ–Ω–∏–µ

–ú–µ—Ç–æ–¥ len () –≤ Python –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è –≤—ã—á–∏—Å–ª–µ–Ω–∏—è –¥–ª–∏–Ω—ã –∏—Ç–µ—Ä–∏—Ä—É–µ–º–æ–≥–æ –æ–±—ä–µ–∫—Ç–∞. –ù–∞–ø—Ä–∏–º–µ—Ä, len () –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è —Ä–∞—Å—á–µ—Ç–∞ –∫–æ–ª–∏—á–µ—Å—Ç–≤–∞ —É—á–µ–Ω–∏–∫–æ–≤ –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–º –∫–ª–∞—Å—Å–µ –≤ —à–∫–æ–ª–µ –∏–ª–∏ –∫–æ–ª–∏—á–µ—Å—Ç–≤–∞ –ø–æ–Ω—á–∏–∫–æ–≤, –ø—Ä–æ–¥–∞–Ω–Ω—ã—Ö –≤ –º–µ—Å—Ç–Ω–æ–º –º–∞–≥–∞–∑–∏–Ω–µ –ø–æ–Ω—á–∏–∫–æ–≤ –∑–∞ –ø–æ—Å–ª–µ–¥–Ω—é—é –Ω–µ–¥–µ–ª—é.