Python удалить символ из строки: руководство

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

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

–ù–µ –∏–º–µ–µ—Ç –∑–Ω–∞—á–µ–Ω–∏—è, –∫–∞–∫–æ–π —Å–∏–º–≤–æ–ª –≤—ã —Ö–æ—Ç–∏—Ç–µ —É–¥–∞–ª–∏—Ç—å –∏–∑ —Å—Ç—Ä–æ–∫–∏. Python –ø–æ–º–æ–∂–µ—Ç –≤–∞–º!

–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –º—ã —Å–æ–±–∏—Ä–∞–µ–º—Å—è –æ–±—Å—É–¥–∏—Ç—å, –∫–∞–∫ —É–¥–∞–ª–∏—Ç—å —Å–∏–º–≤–æ–ª –∏–ª–∏ –Ω–∞–±–æ—Ä —Å–∏–º–≤–æ–ª–æ–≤ –∏–∑ —Å—Ç—Ä–æ–∫–∏. –ü–æ –ø—É—Ç–∏ –º—ã –±—É–¥–µ–º —Å—Å—ã–ª–∞—Ç—å—Å—è –Ω–∞ –Ω–µ—Å–∫–æ–ª—å–∫–æ –ø—Ä–∏–º–µ—Ä–æ–≤.

–ú—ã –æ–±—Å—É–¥–∏–º —Å–ª–µ–¥—É—é—â–∏–µ –ø–æ–¥—Ö–æ–¥—ã:

• –ò—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏–µ –º–µ—Ç–æ–¥–∞ replace ()
• –ò—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏–µ –º–µ—Ç–æ–¥ transform ()
• –£–¥–∞–ª–µ–Ω–∏–µ –ø–æ—Å–ª–µ–¥–Ω–µ–≥–æ —Å–∏–º–≤–æ–ª–∞ —Å –ø–æ–º–æ—â—å—é –∏–Ω–¥–µ–∫—Å–∞—Ü–∏–∏

–î–∞–≤–∞–π—Ç–µ –Ω–∞—á–Ω–µ–º!

–£–¥–∞–ª–∏—Ç—å —Å–∏–º–≤–æ–ª –∏–∑ —Å—Ç—Ä–æ–∫–∏ Python: replace ()

–§—É–Ω–∫—Ü–∏—è string replace () –∑–∞–º–µ–Ω—è–µ—Ç —Å–∏–º–≤–æ–ª –Ω–æ–≤—ã–º —Å–∏–º–≤–æ–ª–æ–º. –≠—Ç—É —Ñ—É–Ω–∫—Ü–∏—é –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è –∑–∞–º–µ–Ω—ã –ª—é–±–æ–≥–æ —Å–∏–º–≤–æ–ª–∞ –ø—É—Å—Ç–æ–π —Å—Ç—Ä–æ–∫–æ–π.

–ú—ã —Å–æ–∑–¥–∞–µ–º –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è –ø—Ä–æ—Å–∏—Ç –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è –≤—Å—Ç–∞–≤–∏—Ç—å –∏–º—è –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è. –í –∏–º–µ–Ω–∏ –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è –Ω–µ–ª—å–∑—è –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –ø–æ–¥—á–µ—Ä–∫–∏–≤–∞–Ω–∏–µ (_). –û—Ç–∫—Ä–æ–π—Ç–µ –Ω–æ–≤—ã–π —Ñ–∞–π–ª Python –∏ –≤—Å—Ç–∞–≤—å—Ç–µ —Å–ª–µ–¥—É—é—â–∏–π –∫–æ–¥:

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–∞ —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.

–≠—Ç–æ—Ç –∫–æ–¥ –ø—Ä–æ—Å–∏—Ç –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è –≤—ã–±–µ—Ä–∏—Ç–µ –∏–º—è –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è —Å –ø–æ–º–æ—â—å—é –º–µ—Ç–æ–¥–∞ input () .

–ú–µ—Ç–æ–¥ replace () —É–¥–∞–ª—è–µ—Ç —Å–∏–º–≤–æ–ª –ø–æ–¥—á–µ—Ä–∫–∏–≤–∞–Ω–∏—è –∏–∑ –∏—Å—Ö–æ–¥–Ω–æ–π —Å—Ç—Ä–æ–∫–∏ –∏ –∑–∞–º–µ–Ω—è–µ—Ç –≤—Å–µ —ç–∫–∑–µ–º–ø–ª—è—Ä—ã —ç—Ç–æ–≥–æ —Å–∏–º–≤–æ–ª–∞ –ø—É—Å—Ç–æ–π —Å—Ç—Ä–æ–∫–æ–π. –ó–∞—Ç–µ–º –º—ã –≤—ã–≤–æ–¥–∏–º –∏–º—è –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è –±–µ–∑ –ø–æ–¥—á–µ—Ä–∫–∏–≤–∞–Ω–∏—è –Ω–∞ –∫–æ–Ω—Å–æ–ª—å.

–î–∞–≤–∞–π—Ç–µ –∑–∞–ø—É—Å—Ç–∏–º –Ω–∞—à—É –ø—Ä–æ–≥—Ä–∞–º–º—É:

–ù–∞—à –∫–æ–¥ —É–¥–∞–ª–∏–ª —Å–∏–º–≤–æ–ª –ø–æ–¥—á–µ—Ä–∫–∏–≤–∞–Ω–∏—è –∏–∑ —É–∫–∞–∑–∞–Ω–Ω–æ–≥–æ –Ω–∞–º–∏ –∏–º–µ–Ω–∏ –ø–æ–ª—å–∑–æ–≤–∞—Ç–µ–ª—è. –ù–∞—à –∫–æ–¥ —Ä–∞–±–æ—Ç–∞–µ—Ç —Å–æ —Å—Ç—Ä–æ–∫–∞–º–∏, –Ω–µ —Å–æ–¥–µ—Ä–∂–∞—â–∏–º–∏ –ø–æ–¥—á–µ—Ä–∫–∏–≤–∞–Ω–∏—è:

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