–°–∏–Ω—Ç–∞–∫—Å–∏—Å –Ω–∞—Ä–µ–∑–∫–∏ –ø–æ–∑–≤–æ–ª—è–µ—Ç —É–¥–∞–ª–∏—Ç—å –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—ã–π —Å–∏–º–≤–æ–ª –∏–ª–∏ –¥–∏–∞–ø–∞–∑–æ–Ω —Å–∏–º–≤–æ–ª–æ–≤ –∏–∑ —Å—Ç—Ä–æ–∫–∏ –Ω–∞ –æ—Å–Ω–æ–≤–µ –∑–Ω–∞—á–µ–Ω–∏–π –∏–Ω–¥–µ–∫—Å–∞ —ç—Ç–∏—Ö —Å–∏–º–≤–æ–ª–æ–≤.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –æ–±—Å—É–∂–¥–∞–µ—Ç—Å—è, –∫–∞–∫ —É–¥–∞–ª–∏—Ç—å –ø–µ—Ä–≤—ã–π n
—Å–∏–º–≤–æ–ª—ã –∏–∑ —Å—Ç—Ä–æ–∫–∏ –≤ Python. –í –Ω–µ–º —Ä–∞—Å—Å–º–∞—Ç—Ä–∏–≤–∞–µ—Ç—Å—è –ø—Ä–∏–º–µ—Ä —Å–∏–Ω—Ç–∞–∫—Å–∏—Å–∞ –Ω–∞—Ä–µ–∑–∫–∏ , —á—Ç–æ–±—ã –≤—ã –º–æ–≥–ª–∏ –Ω–∞—É—á–∏—Ç—å—Å—è –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –µ–≥–æ –≤ —Å–≤–æ–∏—Ö —Å–æ–±—Å—Ç–≤–µ–Ω–Ω—ã—Ö –ø—Ä–æ–≥—Ä–∞–º–º–∞—Ö.
Python: –∏–Ω–¥–µ–∫—Å–∏—Ä–æ–≤–∞–Ω–∏–µ —Å—Ç—Ä–æ–∫
–°—Ç—Ä–æ–∫–∏ - —ç—Ç–æ –ø–æ—Å–ª–µ–¥–æ–≤–∞—Ç–µ–ª—å–Ω–æ—Å—Ç–∏ —Å–∏–º–≤–æ–ª–æ–≤ . –ö–∞–∂–¥–æ–º—É —Å–∏–º–≤–æ–ª—É –≤ —Å—Ç—Ä–æ–∫–µ –¥–∞–µ—Ç—Å—è —É–Ω–∏–∫–∞–ª—å–Ω—ã–π –ø–æ—Ä—è–¥–∫–æ–≤—ã–π –Ω–æ–º–µ—Ä . –≠—Ç–æ—Ç –Ω–æ–º–µ—Ä –ø–æ–∑–≤–æ–ª—è–µ—Ç –∏–¥–µ–Ω—Ç–∏—Ñ–∏—Ü–∏—Ä–æ–≤–∞—Ç—å –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—ã–π —Å–∏–º–≤–æ–ª –∏–ª–∏ –Ω–∞–±–æ—Ä —Å–∏–º–≤–æ–ª–æ–≤ –∏ —Ä–∞–±–æ—Ç–∞—Ç—å —Å –Ω–∏–º–∏.
–ù–æ–º–µ—Ä–∞ –∏–Ω–¥–µ–∫—Å–æ–≤ –Ω–∞—á–∏–Ω–∞—é—Ç—Å—è —Å –Ω—É–ª—è –∏ –ø–æ—Å—Ç–µ–ø–µ–Ω–Ω–æ —É–≤–µ–ª–∏—á–∏–≤–∞—é—Ç—Å—è –Ω–∞ –µ–¥–∏–Ω–∏—Ü—É –¥–ª—è –∫–∞–∂–¥–æ–≥–æ —Å–∏–º–≤–æ–ª–∞. –î–∞–≤–∞–π—Ç–µ –≤–∑–≥–ª—è–Ω–µ–º –Ω–∞ —Å—Ç—Ä–æ–∫—É:
P | —è | e | s | ! |
1 td> | 2 | 3 | 4 |
–°—Ç—Ä–æ–∫–∞ —Å–æ–¥–µ—Ä–∂–∏—Ç —á–µ—Ç—ã—Ä–µ —Å–∏–º–≤–æ–ª–∞. –ü–µ—Ä–≤—ã–π —Å–∏–º–≤–æ–ª " P " –∏–º–µ–µ—Ç –ø–æ—Ä—è–¥–∫–æ–≤—ã–π –Ω–æ–º–µ—Ä 0. –ü–æ—Å–ª–µ–¥–Ω–∏–π —Å–∏–º–≤–æ–ª, !
, –∏–º–µ–µ—Ç –ø–æ—Ä—è–¥–∫–æ–≤—ã–π –Ω–æ–º–µ—Ä 4.
–≠—Ç–∏ —á–∏—Å–ª–∞ –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è –∏–∑–≤–ª–µ–∫–∞—Ç—å –æ—Ç–¥–µ–ª—å–Ω—ã–µ —Å–∏–º–≤–æ–ª—ã –∏–ª–∏ —É–¥–∞–ª—è—Ç—å —Å–∏–º–≤–æ–ª—ã –∏–∑ —Å—Ç—Ä–æ–∫–∏.
–£–¥–∞–ª–µ–Ω–∏–µ –ø–µ—Ä–≤—ã—Ö n —Å–∏–º–≤–æ–ª–æ–≤ –∏–∑ —Å—Ç—Ä–æ–∫–∏ –≤ Python
–ó–¥–µ—Å—å –Ω–∞–ø–∏—à–∏—Ç–µ –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è —É–¥–∞–ª—è–µ—Ç –ø–µ—Ä–≤—ã–µ —á–µ—Ç—ã—Ä–µ —Å–∏–º–≤–æ–ª–∞ –∏–∑ –∫–≤–∏—Ç–∞–Ω—Ü–∏–π, –∫–æ—Ç–æ—Ä—ã–µ —Ö—Ä–∞–Ω–∏—Ç—Å—è –≤ –º–∞–≥–∞–∑–∏–Ω–µ –ø–æ–Ω—á–∏–∫–æ–≤. –≠—Ç–∏ —Å–∏–º–≤–æ–ª—ã –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è—é—Ç —Å–æ–±–æ–π –∏–¥–µ–Ω—Ç–∏—Ñ–∏–∫–∞—Ç–æ—Ä –ø–æ–∫—É–ø–∫–∏, –Ω–æ –±–æ–ª—å—à–µ –Ω–µ –∞–∫—Ç—É–∞–ª—å–Ω—ã –≤ —Å–≤—è–∑–∏ —Å –æ–±–Ω–æ–≤–ª–µ–Ω–∏–µ–º —Å–∏—Å—Ç–µ–º—ã.
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 —Ä–∞–±–æ—Ç—ã –≤ —Å—Ñ–µ—Ä–µ —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. –ù–∞–π–¥–∏—Ç–µ –ø–æ–¥—Ö–æ–¥ –∫ —É—á–µ–±–Ω–æ–º—É –ª–∞–≥–µ—Ä—é —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–ª—è –Ω–∞—á–∞–ª–∞ –æ–ø—Ä–µ–¥–µ–ª–∏—Ç–µ
–¢—Ä–∏ —á–∏—Å–ª–∞ –≤ –Ω–∞—á–∞–ª–µ —Å–ø–∏—Å–∫–∞ —Å—Ç–æ–∏—Ç –∏–¥–µ–Ω—Ç–∏—Ñ–∏–∫–∞—Ç–æ—Ä –ø–æ–∫—É–ø–∫–∏. –¢–∞–∫–∂–µ –µ—Å—Ç—å –ø—Ä–æ–±–µ–ª –ø–æ—Å–ª–µ –∏–¥–µ–Ω—Ç–∏—Ñ–∏–∫–∞—Ç–æ—Ä–∞, –∫–æ—Ç–æ—Ä—ã–π –≤—ã —Ö–æ—Ç–∏—Ç–µ —É–¥–∞–ª–∏—Ç—å.
Используйте " для " цикл , чтобы перебрать каждую квитанцию ​​в списке, чтобы вы могли удалить первые четыре символа из каждой квитанции:
–≠—Ç–æ—Ç –∫–æ–¥ —É–¥–∞–ª—è–µ—Ç –ø–µ—Ä–≤—ã–µ —á–µ—Ç—ã—Ä–µ —Å–∏–º–≤–æ–ª–∞ –∏–∑ –∫–∞–∂–¥–æ–π –∫–≤–∏—Ç–∞–Ω—Ü–∏–∏ –≤ " –∫–≤–∏—Ç–∞–Ω—Ü–∏—è—Ö & rdquo ; —Å–ø–∏—Å–æ–∫. –ù–æ–≤–∞—è —Å—Ç—Ä–æ–∫–∞ –±–µ–∑ —ç—Ç–∏—Ö —Å–∏–º–≤–æ–ª–æ–≤ –ø—Ä–∏—Å–≤–∞–∏–≤–∞–µ—Ç—Å—è –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π " new_r " —Å —É–¥–∞–ª–µ–Ω–Ω—ã–º–∏ —Å–æ–≤–ø–∞–¥–∞—é—â–∏–º–∏ —Å–∏–º–≤–æ–ª–∞–º–∏. –í—ã –¥–µ–ª–∞–µ—Ç–µ —ç—Ç–æ, –ø–æ—Ç–æ–º—É —á—Ç–æ —Å—Ç—Ä–æ–∫–∏ –Ω–µ–∏–∑–º–µ–Ω—è–µ–º—ã, –∏ –≤—ã –Ω–µ –º–æ–∂–µ—Ç–µ –∏–∑–º–µ–Ω–∏—Ç—å —Å—É—â–µ—Å—Ç–≤—É—é—â—É—é —Å—Ç—Ä–æ–∫—É.