–¢–æ–ª—å–∫–æ –ø–æ–≤—Ç–æ—Ä—è—é—â–∏–µ—Å—è –æ–±—ä–µ–∫—Ç—ã, —Ç–∞–∫–∏–µ –∫–∞–∫ —Å—Ç—Ä–æ–∫–∏ –∏ —Å–ø–∏—Å–∫–∏, –∏–º–µ—é—Ç –¥–ª–∏–Ω—É. –ï—Å–ª–∏ –≤—ã –ø–æ–ø—ã—Ç–∞–µ—Ç–µ—Å—å –≤—ã—á–∏—Å–ª–∏—Ç—å –¥–ª–∏–Ω—É —á–∏—Å–ª–∞, –≤—ã —Å—Ç–æ–ª–∫–Ω–µ—Ç–µ—Å—å —Å –æ–±—ä–µ–∫—Ç–æ–º " TypeError: —Ç–∏–ø–∞ " int " –Ω–µ –∏–º–µ–µ—Ç len () " –æ—à–∏–±–∫–∞.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –º—ã –æ–±—Å—É–¥–∏–º, —á—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç —ç—Ç–∞ –æ—à–∏–±–∫–∞ –∏ –ø–æ—á–µ–º—É –æ–Ω–∞ –≤–æ–∑–Ω–∏–∫–∞–µ—Ç. –ú—ã —Ä–∞—Å—Å–º–æ—Ç—Ä–∏–º –ø—Ä–∏–º–µ—Ä —Ñ—Ä–∞–≥–º–µ–Ω—Ç–∞ –∫–æ–¥–∞ —Å —ç—Ç–æ–π –æ—à–∏–±–∫–æ–π, —á—Ç–æ–±—ã –ø–æ–Ω—è—Ç—å, –∫–∞–∫ –∏—Å–ø—Ä–∞–≤–∏—Ç—å –ø—Ä–æ–±–ª–µ–º—É.
TypeError: –æ–±—ä–µ–∫—Ç —Ç–∏–ø–∞ " int " –Ω–µ –∏–º–µ–µ—Ç len ()
–ú–µ—Ç–æ–¥ len () –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç –¥–ª–∏–Ω—É –æ–±—ä–µ–∫—Ç–∞. –†–∞—Å—Å–º–æ—Ç—Ä–∏–º —Å–ª–µ–¥—É—é—â—É—é –ø—Ä–æ–≥—Ä–∞–º–º—É:
–ù–∞—à–∞ –ø—Ä–æ–≥—Ä–∞–º–º–∞ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç " 3 & rdquo ;. –≠—Ç–æ –¥–ª–∏–Ω–∞ –Ω–∞—à–µ–≥–æ —Å–ø–∏—Å–∫–∞ Python . –î–ª–∏–Ω–∞ " –±—Ä–∞—É–∑–µ—Ä–æ–≤ " –æ–±—ä–µ–∫—Ç –º–æ–∂–µ—Ç –±—ã—Ç—å –≤—ã—á–∏—Å–ª–µ–Ω, –ø–æ—Ç–æ–º—É —á—Ç–æ –æ–Ω —Å–æ–¥–µ—Ä–∂–∏—Ç –Ω–µ—Å–∫–æ–ª—å–∫–æ –∑–Ω–∞—á–µ–Ω–∏–π.
–°—Ç—Ä–æ–∫–∏, –∫–æ—Ä—Ç–µ–∂–∏ –∏ —Å–ø–∏—Å–∫–∏ —Ä–∞–±–æ—Ç–∞—é—Ç —Å –º–µ—Ç–æ–¥–æ–º len (), –ø–æ—Å–∫–æ–ª—å–∫—É –æ–Ω–∏ –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è—é—Ç —Å–æ–±–æ–π –ø–æ—Å–ª–µ–¥–æ–≤–∞—Ç–µ–ª—å–Ω–æ—Å—Ç–∏ –∑–Ω–∞—á–µ–Ω–∏–π. –¶–µ–ª–æ—á–∏—Å–ª–µ–Ω–Ω—ã–µ –∑–Ω–∞—á–µ–Ω–∏—è –Ω–µ –∏–º–µ—é—Ç –¥–ª–∏–Ω—ã, –ø–æ—Ç–æ–º—É —á—Ç–æ –æ–Ω–∏ –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è—é—Ç —Ç–æ–ª—å–∫–æ –æ–¥–Ω–æ –∑–Ω–∞—á–µ–Ω–∏–µ. –¶–µ–ª—ã–µ —á–∏—Å–ª–∞ —Ö—Ä–∞–Ω—è—Ç —á–∏—Å–ª–æ, –Ω–µ –∏–º–µ—é—â–µ–µ " length " –∫–∞–∫ –∏ –ª—é–±–æ–π –¥—Ä—É–≥–æ–π –ø–æ–≤—Ç–æ—Ä—è–µ–º—ã–π –æ–±—ä–µ–∫—Ç.
–ü—Ä–∏–º–µ—Ä —Å—Ü–µ–Ω–∞—Ä–∏—è
–ú—ã —Å–æ–±–∏—Ä–∞–µ–º—Å—è –Ω–∞–ø–∏—Å–∞—Ç—å –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è –≤—ã—á–∏—Å–ª—è–µ—Ç, —Å–∫–æ–ª—å–∫–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ –≤ –º–∞–≥–∞–∑–∏–Ω–µ —ç–ª–µ–∫—Ç—Ä–æ–Ω–∏–∫–∏ —è–≤–ª—è—é—Ç—Å—è —á–∞—Å—Ç—å—é –ø—Ä–æ–≥—Ä–∞–º–º—ã –∫–ª—É–±–∞ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏. –ú—ã –Ω–∞—á–Ω–µ–º —Å–æ —Å–ø–∏—Å–∫–∞ —Å–ª–æ–≤–∞—Ä–µ–π, –≤ –∫–∞–∂–¥–æ–º –∏–∑ –∫–æ—Ç–æ—Ä—ã—Ö —Ö—Ä–∞–Ω–∏—Ç—Å—è –∏–Ω—Ñ–æ—Ä–º–∞—Ü–∏—è –æ –Ω–∞—à–∏—Ö –∫–ª–∏–µ–Ω—Ç–∞—Ö:
–°–ø–∏—Å–æ–∫ –Ω–∞—à–∏—Ö –∫–ª–∏–µ–Ω—Ç–æ–≤ —Å–æ–¥–µ—Ä–∂–∏—Ç —Ç—Ä–∏ —Å–ª–æ–≤–∞—Ä—è . –ó–∞—Ç–µ–º –∏—Å–ø–æ–ª—å–∑—É–π—Ç–µ —Ü–∏–∫–ª for, —á—Ç–æ–±—ã –≤—ã—á–∏—Å–ª–∏—Ç—å, —Å–∫–æ–ª—å–∫–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ —è–≤–ª—è—é—Ç—Å—è —á–ª–µ–Ω–∞–º–∏ –∫–ª—É–±–∞ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏:
–ú—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é –Ω–∞–∑—ã–≤–∞–µ—Ç—Å—è " number_of_loyalty & rdquo ;. –ú—ã –∏—Å–ø–æ–ª—å–∑—É–µ–º —ç—Ç–æ, —á—Ç–æ–±—ã –æ—Ç—Å–ª–µ–∂–∏–≤–∞—Ç—å, —Å–∫–æ–ª—å–∫–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ —Å–æ—Å—Ç–æ–∏—Ç –≤ –∫–ª—É–±–µ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏.
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 –∫—É—Ä—Å–∞. –ü–æ–ª—É—á–∏—Ç–µ –ø—Ä–∏–≥–ª–∞—à–µ–Ω–∏–µ –Ω–∞ —É—á–µ–±–Ω—ã–π –∫—É—Ä—Å —É–∂–µ —Å–µ–≥–æ–¥–Ω—è.
–°—Ä–µ–¥–Ω–∏–π –≤—ã–ø—É—Å–∫–Ω–∏–∫ —É—á–µ–±–Ω–æ–≥–æ –∫—É—Ä—Å–∞ –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.
–ú—ã —Ä–∞—Å—Å—á–∏—Ç—ã–≤–∞–µ–º, –µ—Å—Ç—å –ª–∏ —É –∫–ª–∏–µ–Ω—Ç–∞ —á–ª–µ–Ω –∫–ª—É–±–∞ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏, –æ—Ü–µ–Ω–∏–≤, –Ω–∞—Å–∫–æ–ª—å–∫–æ —Ü–µ–Ω–Ω–æ—Å—Ç—å " –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏ " –≤ –∫–∞–∂–¥–æ–º —Å–ª–æ–≤–∞—Ä–µ —Ä–∞–≤–Ω–æ True.
–ó–∞—Ç–µ–º –≤—ã–≤–µ–¥–∏—Ç–µ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å —Å–æ–æ–±—â–µ–Ω–∏–µ, –≤ –∫–æ—Ç–æ—Ä–æ–º –≥–æ–≤–æ—Ä–∏—Ç—Å—è, —Å–∫–æ–ª—å–∫–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ —è–≤–ª—è—é—Ç—Å—è —É—á–∞—Å—Ç–Ω–∏–∫–∞–º–∏ –ø—Ä–æ–≥—Ä–∞–º–º—ã –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏:
–û–ø–µ—Ä–∞—Ç–æ—Ä .format () –ø–æ–∑–≤–æ–ª—è–µ—Ç –Ω–∞–º –¥–æ–±–∞–≤–ª—è—Ç—å –∑–Ω–∞—á–µ–Ω–∏—è –≤ –Ω–∞—à—É —Å—Ç—Ä–æ–∫—É –≤ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—ã—Ö –ø–æ–∑–∏—Ü–∏—è—Ö. –í —ç—Ç–æ–º —Å–ª—É—á–∞–µ –º—ã –¥–æ–±–∞–≤–ª—è–µ–º –≤ –Ω–∞—à—É —Å—Ç—Ä–æ–∫—É –¥–≤–∞ –∑–Ω–∞—á–µ–Ω–∏—è: –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ –æ—Ü–µ–Ω–µ–Ω–Ω—ã—Ö –∫–ª–∏–µ–Ω—Ç–æ–≤ –∏ –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ –∫–ª–∏–µ–Ω—Ç–æ–≤ –≤ –∫–ª—É–±–µ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏.
–î–∞–≤–∞–π—Ç–µ –∑–∞–ø—É—Å—Ç–∏–º –Ω–∞—à –∫–æ–¥, —á—Ç–æ–±—ã —É–±–µ–¥–∏—Ç—å—Å—è, —á—Ç–æ –æ–Ω —Ä–∞–±–æ—Ç–∞–µ—Ç:
–ù–∞—à –∫–æ–¥ –ø–µ—Ä–µ—Å—Ç–∞–µ—Ç —Ä–∞–±–æ—Ç–∞—Ç—å –≤ —Å—Ç—Ä–æ–∫–µ 13. –≠—Ç–æ –ø–æ—Å–ª–µ–¥–Ω—è—è —Å—Ç—Ä–æ–∫–∞ –Ω–∞—à–µ–π –ø—Ä–æ–≥—Ä–∞–º–º—ã.
–†–µ—à–µ–Ω–∏–µ
–°–æ–æ–±—â–µ–Ω–∏–µ –æ–± –æ—à–∏–±–∫–µ —Å–æ–æ–±—â–∞–µ—Ç –Ω–∞–º, —á—Ç–æ –º—ã –ø—ã—Ç–∞–ª–∏—Å—å –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –º–µ—Ç–æ–¥ –¥–ª—è –æ–±—ä–µ–∫—Ç–∞, –∫–æ—Ç–æ—Ä—ã–π –Ω–µ –ø–æ–¥–¥–µ—Ä–∂–∏–≤–∞–µ—Ç —ç—Ç–æ—Ç –º–µ—Ç–æ–¥. –ú—ã –ø—ã—Ç–∞–ª–∏—Å—å –≤—ã—á–∏—Å–ª–∏—Ç—å –¥–ª–∏–Ω—É —Ü–µ–ª–æ—á–∏—Å–ª–µ–Ω–Ω–æ–≥–æ –∑–Ω–∞—á–µ–Ω–∏—è.
–í –Ω–∞—à–µ–º –æ–ø–µ—Ä–∞—Ç–æ—Ä–µ –ø–µ—á–∞—Ç–∏ –º—ã –ø—Ä–æ—Å–∏–º –Ω–∞—à—É –ø—Ä–æ–≥—Ä–∞–º–º—É –æ—Ü–µ–Ω–∏—Ç—å –¥–ª–∏–Ω—É & ‚Äã‚Äãldquo; number_of_loyalty " –∑–Ω–∞—á–µ–Ω–∏–µ:
–í —ç—Ç–æ–º –Ω–µ—Ç –Ω–µ–æ–±—Ö–æ–¥–∏–º–æ—Å—Ç–∏, –ø–æ—Ç–æ–º—É —á—Ç–æ " number_of_loyalty " —Å–∞–º –æ—Ç—Å–ª–µ–∂–∏–≤–∞–µ—Ç –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ —á–ª–µ–Ω–æ–≤ –∫–ª—É–±–∞ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏. –ß—Ç–æ–±—ã –∏—Å–ø—Ä–∞–≤–∏—Ç—å —ç—Ç—É –æ—à–∏–±–∫—É, –º—ã –º–æ–∂–µ–º —É–¥–∞–ª–∏—Ç—å len () –≤–æ–∫—Ä—É–≥ " number_of_loyalty " –∑–Ω–∞—á–µ–Ω–∏–µ, —á—Ç–æ–±—ã –º—ã –º–æ–≥–ª–∏ –≤–∏–¥–µ—Ç—å —Ü–µ–ª–æ–µ —á–∏—Å–ª–æ, –∫–æ—Ç–æ—Ä–æ–µ –æ–Ω–æ —Ö—Ä–∞–Ω–∏—Ç:
–î–∞–≤–∞–π—Ç–µ –∑–∞–ø—É—Å—Ç–∏–º –Ω–∞—à—É –æ–±–Ω–æ–≤–ª–µ–Ω–Ω—É—é –ø—Ä–æ–≥—Ä–∞–º–º—É:
–ù–∞—à–∞ –ø—Ä–æ–≥—Ä–∞–º–º–∞ —Ä–∞—Å—Å—á–∏—Ç—ã–≤–∞–µ—Ç, —á—Ç–æ –¥–≤–æ–µ –∏–∑ —Ç—Ä–µ—Ö –ø–æ–∫—É–ø–∞—Ç–µ–ª–µ–π –≤ –º–∞–≥–∞–∑–∏–Ω–µ —è–≤–ª—è—é—Ç—Å—è —á–ª–µ–Ω–∞–º–∏ –∫–ª—É–±–∞ –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏. –≠—Ç–æ –±—ã–ª —Ç–æ—Ç —Ä–µ–∑—É–ª—å—Ç–∞—Ç, –∫–æ—Ç–æ—Ä–æ–≥–æ –º—ã –æ–∂–∏–¥–∞–ª–∏. –ï—Å–ª–∏ –º—ã –ø–æ—Å–º–æ—Ç—Ä–∏–º –Ω–∞ –Ω–∞—à –ø–µ—Ä–≤–æ–Ω–∞—á–∞–ª—å–Ω—ã–π —Å–ø–∏—Å–æ–∫, —Ç–æ —É–≤–∏–¥–∏–º, —á—Ç–æ –æ–±–∞ " Lesley Jones " –∏ " –ë–µ–Ω–¥–∂–∞–º–∏–Ω –õ–æ–≥–∞–Ω " —è–≤–ª—è—é—Ç—Å—è —É—á–∞—Å—Ç–Ω–∏–∫–∞–º–∏ –∫–∞—Ä—Ç—ã –ª–æ—è–ª—å–Ω–æ—Å—Ç–∏.