–í Python 3 –≤—Å–µ –æ–ø–µ—Ä–∞—Ç–æ—Ä—ã –ø–µ—á–∞—Ç–∏ –Ω–µ–æ–±—Ö–æ–¥–∏–º–æ –∑–∞–∫–ª—é—á–∞—Ç—å –≤ –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏. –ï—Å–ª–∏ –≤—ã –ø–æ–ø—ã—Ç–∞–µ—Ç–µ—Å—å –≤—ã–≤–µ—Å—Ç–∏ —Å—Ç—Ä–æ–∫—É –Ω–∞ –∫–æ–Ω—Å–æ–ª—å, –Ω–µ –∑–∞–∫–ª—é—á–∞—è –µ–µ –≤ –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏, –≤—ã —Å—Ç–æ–ª–∫–Ω–µ—Ç–µ—Å—å —Å –æ—à–∏–±–∫–æ–π " SyntaxError: –æ—Ç—Å—É—Ç—Å—Ç–≤–∏–µ –∫—Ä—É–≥–ª—ã—Ö —Å–∫–æ–±–æ–∫ –ø—Ä–∏ –≤—ã–∑–æ–≤–µ " print " " –æ—à–∏–±–∫–∞.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –æ–±—Å—É–∂–¥–∞–µ—Ç—Å—è, —á—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç —ç—Ç–∞ –æ—à–∏–±–∫–∞ –∏ –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –æ–ø–µ—Ä–∞—Ç–æ—Ä –ø–µ—á–∞—Ç–∏ –≤ Python. –ú—ã —Ä–∞—Å—Å–º–æ—Ç—Ä–∏–º –ø—Ä–∏–º–µ—Ä —ç—Ç–æ–π –æ—à–∏–±–∫–∏, —á—Ç–æ–±—ã –≤—ã –º–æ–≥–ª–∏ —É–∑–Ω–∞—Ç—å, –∫–∞–∫ –µ–µ —Ä–µ—à–∏—Ç—å.
SyntaxError: –æ—Ç—Å—É—Ç—Å—Ç–≤–∏–µ –∫—Ä—É–≥–ª—ã—Ö —Å–∫–æ–±–æ–∫ –≤ –≤—ã–∑–æ–≤–µ " print "
Python 3 - —Ç—Ä–µ—Ç—å–µ –∫—Ä—É–ø–Ω–æ–µ –æ–±–Ω–æ–≤–ª–µ–Ω–∏–µ —è–∑—ã–∫–∞ –ø—Ä–æ–≥—Ä–∞–º–º–∏—Ä–æ–≤–∞–Ω–∏—è. –í –ø–æ—Å–ª–µ–¥–Ω–∏–µ –≥–æ–¥—ã –æ–Ω —Å—Ç–∞–ª –ø—Ä–µ–¥–ø–æ—á—Ç–∏—Ç–µ–ª—å–Ω–æ–π –≤–µ—Ä—Å–∏–µ–π Python –¥–ª—è –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏—è. & Nbsp;
Python 3 –∏–∑–º–µ–Ω–∏–ª —Å–ø–æ—Å–æ–± –Ω–∞–ø–∏—Å–∞–Ω–∏—è –æ–ø–µ—Ä–∞—Ç–æ—Ä–æ–≤ –ø–µ—á–∞—Ç–∏. –ê–≤—Ç–æ–Ω–æ–º–Ω—ã–π –æ–ø–µ—Ä–∞—Ç–æ—Ä print —Ä–∞–±–æ—Ç–∞–µ—Ç –≤ Python 2 –∏ –≤—ã–≤–æ–¥–∏—Ç –æ–ø–µ—Ä–∞—Ç–æ—Ä –Ω–∞ –∫–æ–Ω—Å–æ–ª—å.
–í Python 3 print —è–≤–ª—è–µ—Ç—Å—è —Ñ—É–Ω–∫—Ü–∏–µ–π. –≠—Ç–æ –æ–∑–Ω–∞—á–∞–µ—Ç, —á—Ç–æ –≤–∞–º –Ω—É–∂–Ω–æ –∑–∞–∫–ª—é—á–∏—Ç—å –≤ –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏ —Å–æ–¥–µ—Ä–∂–∏–º–æ–µ —Å—Ç—Ä–æ–∫–∏, –∫–æ—Ç–æ—Ä—É—é –≤—ã —Ö–æ—Ç–∏—Ç–µ –≤—ã–≤–µ—Å—Ç–∏ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å, –∫–∞–∫ –≤—ã —ç—Ç–æ –¥–µ–ª–∞–µ—Ç–µ —Å –ª—é–±—ã–º –æ–±—ã—á–Ω—ã–º –≤—ã–∑–æ–≤–æ–º —Ñ—É–Ω–∫—Ü–∏–∏. & Nbsp;
–ü—Ä–∏–º–µ—Ä —Å—Ü–µ–Ω–∞—Ä–∏—è
–ù–∞–ø–∏—à–∏—Ç–µ –ø—Ä–æ–≥—Ä–∞–º–º–∞, –∫–æ—Ç–æ—Ä–∞—è —Ä–∞—Å–ø–µ—á–∞—Ç—ã–≤–∞–µ—Ç –∏–º–µ–Ω–∞ –≤—Å–µ—Ö —É—á–µ–Ω–∏–∫–æ–≤ —á–µ—Ç–≤–µ—Ä—Ç–æ–≥–æ –∫–ª–∞—Å—Å–∞, –∏–º–µ–Ω–∞ –∫–æ—Ç–æ—Ä—ã—Ö –Ω–∞—á–∏–Ω–∞—é—Ç—Å—è —Å " A & rdquo ;. –î–ª—è –Ω–∞—á–∞–ª–∞ –æ–ø—Ä–µ–¥–µ–ª–∏—Ç–µ —Å–ø–∏—Å–æ–∫ , —Å–æ–¥–µ—Ä–∂–∞—â–∏–π –∏–º–µ–Ω–∞ —É—á–∞—â–∏—Ö—Å—è –∫–ª–∞—Å—Å–∞:
–î–∞–ª–µ–µ, –Ω–∞–ø–∏—à–∏—Ç–µ —Ü–∏–∫–ª for , –∫–æ—Ç–æ—Ä—ã–π –ø–µ—Ä–µ–±–∏—Ä–∞–µ—Ç –≤—Å–µ —ç–ª–µ–º–µ–Ω—Ç—ã –≤ —ç—Ç–æ–º —Å–ø–∏—Å–∫–µ. –í —Ü–∏–∫–ª–µ for –º—ã –±—É–¥–µ–º –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –æ–ø–µ—Ä–∞—Ç–æ—Ä if, —á—Ç–æ–±—ã –ø—Ä–æ–≤–µ—Ä–∏—Ç—å, –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è –ª–∏ –∫–∞–∂–¥–æ–µ –∏–º—è —Å " A & rdquo ;:
–º–µ—Ç–æ–¥ startwith () –ø—Ä–æ–≤–µ—Ä—è–µ—Ç, –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è –ª–∏ —Å—Ç—Ä–æ–∫–∞ —Å –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω–æ–≥–æ —Å–∏–º–≤–æ–ª–∞ –∏–ª–∏ –Ω–∞–±–æ—Ä–∞ —Å–∏–º–≤–æ–ª–æ–≤. –ö–æ–¥ –ø—Ä–æ–≤–µ—Ä—è–µ—Ç, –∫–∞–∂–¥–æ–µ –ª–∏ –∏–º—è –≤ " —Å—Ç—É–¥–µ–Ω—Ç—ã " –°–ø–∏—Å–æ–∫ –Ω–∞—á–∏–Ω–∞–µ—Ç—Å—è —Å " A & rdquo ;.
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 –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.
–î–æ–±–∞–≤—å—Ç–µ –¥–æ–ø–æ–ª–Ω–∏—Ç–µ–ª—å–Ω—ã–π –æ–ø–µ—Ä–∞—Ç–æ—Ä –ø–µ—á–∞—Ç–∏ –∫ –∫–æ–Ω–µ—Ü –∫–æ–¥–∞, –∫–æ—Ç–æ—Ä—ã–π —Å–æ–æ–±—â–∞–µ—Ç –Ω–∞–º, —á—Ç–æ –ø—Ä–æ–≥—Ä–∞–º–º–∞ –∑–∞–≤–µ—Ä—à–∏–ª–∞ —Ä–∞–±–æ—Ç—É:
–¢–µ–ø–µ—Ä—å –≤—ã –≥–æ—Ç–æ–≤—ã –∫ –∑–∞–ø—É—Å–∫—É –ø—Ä–æ–≥—Ä–∞–º–º—ã:
–ö–æ–¥ —Å–æ–æ–±—â–∞–µ—Ç –Ω–∞–º, —á—Ç–æ –≤ –ø—Ä–æ–≥—Ä–∞–º–º–µ –µ—Å—Ç—å —Å–∏–Ω—Ç–∞–∫—Å–∏—á–µ—Å–∫–∞—è –æ—à–∏–±–∫–∞.
–†–µ—à–µ–Ω–∏–µ
–£–¥–æ–±–Ω–æ , Python —É–∂–µ –ø—Ä–µ–¥–ª–∞–≥–∞–µ—Ç —Ä–µ—à–µ–Ω–∏–µ –ø—Ä–æ–±–ª–µ–º—ã –≤ —Å–æ–æ–±—â–µ–Ω–∏–∏ –æ–± –æ—à–∏–±–∫–µ.
–≠—Ç–æ —Å–≤—è–∑–∞–Ω–æ —Å —Ç–µ–º, —á—Ç–æ –≤ –ø—Ä–µ–¥—ã–¥—É—â–∏—Ö –≤–µ—Ä—Å–∏—è—Ö Python 3 –∏–∑-–∑–∞ —Ç–æ–≥–æ, —á—Ç–æ –≤ –ø—Ä–µ–¥—ã–¥—É—â–∏—Ö –≤–µ—Ä—Å–∏—è—Ö Python 3 –∑–∞–±—ã–≤–∞–ª–∏—Å—å –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏ –≤–æ–∫—Ä—É–≥ –æ–ø–µ—Ä–∞—Ç–æ—Ä–∞ –ø–µ—á–∞—Ç–∏, –≤–æ–∑–Ω–∏–∫–∞–ª–∞ –æ—à–∏–±–∫–∞, –∫–æ—Ç–æ—Ä–∞—è –æ—Ç–æ–±—Ä–∞–∂–∞–ª–∞ —Ç–æ–ª—å–∫–æ & ldquo ; –Ω–µ–≤–µ—Ä–Ω—ã–π —Å–∏–Ω—Ç–∞–∫—Å–∏—Å & rdquo ;. –≠—Ç–æ —Å–æ–æ–±—â–µ–Ω–∏–µ –Ω–µ–æ–¥–Ω–æ–∑–Ω–∞—á–Ω–æ, –ø–æ—Å–∫–æ–ª—å–∫—É –Ω–µ–¥–æ–ø—É—Å—Ç–∏–º—ã–π —Å–∏–Ω—Ç–∞–∫—Å–∏—Å –º–æ–∂–µ—Ç –±—ã—Ç—å –≤—ã–∑–≤–∞–Ω —Ä—è–¥–æ–º –ø—Ä–æ–±–ª–µ–º. –¢–∞–∫–∏–º –æ–±—Ä–∞–∑–æ–º, Python –ø—Ä–µ–¥—Å—Ç–∞–≤–∏–ª –Ω–æ–≤—É—é " –æ—Ç—Å—É—Ç—Å—Ç–≤—É—é—â—É—é –∫—Ä—É–≥–ª—É—é —Å–∫–æ–±–∫—É " —Å–æ–æ–±—â–µ–Ω–∏–µ –æ–± –æ—à–∏–±–∫–µ —è–≤–ª—è–µ—Ç—Å—è –æ—Å–Ω–æ–≤–Ω—ã–º –¥–ª—è –ø–æ–º–æ—â–∏ –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è–º.
–ß—Ç–æ–±—ã —Ä–µ—à–∏—Ç—å —ç—Ç—É –ø—Ä–æ–±–ª–µ–º—É, –∑–∞–∫–ª—é—á–∏—Ç–µ –≤—Å–µ –∑–Ω–∞—á–µ–Ω–∏—è, –∫–æ—Ç–æ—Ä—ã–µ –≤—ã —Ö–æ—Ç–∏—Ç–µ –≤—ã–≤–µ—Å—Ç–∏ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å, –≤ –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏:
–í—ã –∑–∞–∫–ª—é—á–∏–ª–∏ " s " –≤ —Å—Ç—Ä–æ–∫–µ –∫–æ–¥–∞ print –≤ —Å–∫–æ–±–∫–∞—Ö. –í—ã —Ç–∞–∫–∂–µ –∑–∞–∫–ª—é—á–∏–ª–∏ –≤ —Å–∫–æ–±–∫–∏ –ø–æ—Å–ª–µ–¥–Ω—é—é —Å—Ç—Ä–æ–∫—É, –∫–æ—Ç–æ—Ä—É—é –≤—ã –≤—ã–≤–æ–¥–∏—Ç–µ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å. –î–∞–≤–∞–π—Ç–µ –ø–æ—Å–º–æ—Ç—Ä–∏–º, —Ä–∞–±–æ—Ç–∞–µ—Ç –ª–∏ –ø—Ä–æ–≥—Ä–∞–º–º–∞:
–ù–∞—à –∫–æ–¥ –ø–æ–∫–∞–∑—ã–≤–∞–µ—Ç –Ω–∞–º, —á—Ç–æ –µ—Å—Ç—å –¥–≤–∞ —Å—Ç—É–¥–µ–Ω—Ç–∞, –∏–º–µ–Ω–∞ –∫–æ—Ç–æ—Ä—ã—Ö –Ω–∞—á–∏–Ω–∞—é—Ç—Å—è —Å A. –ü–æ—Å–ª–µ –∏—Ç–µ—Ä–∞—Ü–∏–∏ –Ω–∞—à–µ–≥–æ —Å–ø–∏—Å–∫–∞ —Å—Ç—É–¥–µ–Ω—Ç–æ–≤ –Ω–∞—à–∞ –ø—Ä–æ–≥—Ä–∞–º–º–∞ —Ä–∞—Å–ø–µ—á–∞—Ç—ã–≤–∞–µ—Ç —Å–æ–æ–±—â–µ–Ω–∏–µ, –æ–ø–∏—Å—ã–≤–∞—é—â–µ–µ —Ä–µ–∑—É–ª—å—Ç–∞—Ç.
–ó–∞–∫–ª—é—á–µ–Ω–∏–µ
–û—à–∏–±–∫–∞ Python " SyntaxError: –æ—Ç—Å—É—Ç—Å—Ç–≤–∏–µ —Å–∫–æ–±–æ–∫ –≤ –≤—ã–∑–æ–≤–µ " print " " –æ—à–∏–±–∫–∞ –≤–æ–∑–Ω–∏–∫–∞–µ—Ç, –∫–æ–≥–¥–∞ –≤—ã –ø—ã—Ç–∞–µ—Ç–µ—Å—å –≤—ã–≤–µ—Å—Ç–∏ –∑–Ω–∞—á–µ–Ω–∏–µ –Ω–∞ –∫–æ–Ω—Å–æ–ª—å, –Ω–µ –∑–∞–∫–ª—é—á–∞—è —ç—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ –≤ –∫—Ä—É–≥–ª—ã–µ —Å–∫–æ–±–∫–∏.