Лямбда-функции Python: введение
accumulate |
COM PHP module |
dis Python module |
Ev PHP module |
exp |
filter |
functools Python module |
http Python module |
imp Python module |
io Python module |
keyword Python module |
Lua PHP module |
numbers Python module |
os Python module |
PS PHP module |
Python functions |
Rar PHP module |
re Python module |
SPL PHP module |
StackOverflow |
Sync PHP module |
UI PHP module
Michael Zippo
27.11.2021
–õ—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ Python - —ç—Ç–æ –æ–¥–Ω–æ—Å—Ç—Ä–æ—á–Ω—ã–µ –∞–Ω–æ–Ω–∏–º–Ω—ã–µ —Ñ—É–Ω–∫—Ü–∏–∏. –õ—è–º–±–¥–∞-–≤—ã—Ä–∞–∂–µ–Ω–∏—è –≤ Python –ø–æ–ª–µ–∑–Ω—ã –¥–ª—è –æ–¥–Ω–æ—Å—Ç—Ä–æ—á–Ω—ã—Ö —Ñ—É–Ω–∫—Ü–∏–π, –∫–æ—Ç–æ—Ä—ã–º –Ω–µ –Ω—É–∂–Ω–æ –∏–º—è, —Ç–∞–∫–∏—Ö –∫–∞–∫ —Å–ø–∏—Å–∫–∏ —Ñ–∏–ª—å—Ç—Ä–∞—Ü–∏–∏, –ø—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞–Ω–∏–µ —Å—Ç—Ä–æ–∫–æ–≤—ã—Ö —Ä–µ–≥–∏—Å—Ç—Ä–æ–≤ –∏–ª–∏ —É–º–Ω–æ–∂–µ–Ω–∏–µ —á–∏—Å–ª–∞.
–ö–æ–≥–¥–∞ –≤—ã –ø–∏—à–µ—Ç–µ –ø—Ä–æ–≥—Ä–∞–º–º—É, –∫–æ—Ç–æ—Ä–∞—è –±—É–¥–µ—Ç –≤—ã–ø–æ–ª–Ω—è—Ç—å –æ–¥–Ω—É –∏ —Ç—É –∂–µ –∑–∞–¥–∞—á—É –Ω–µ—Å–∫–æ–ª—å–∫–æ —Ä–∞–∑, –ø–æ–≤—Ç–æ—Ä—è—Ç—å –≤–∞—à –∫–æ–¥ –Ω–µ–ø—Ä–∞–∫—Ç–∏—á–Ω–æ, –ø–æ—Å–∫–æ–ª—å–∫—É —ç—Ç–æ –æ–∑–Ω–∞—á–∞–ª–æ –±—ã, —á—Ç–æ –≤–∞–º –ø—Ä–∏–¥–µ—Ç—Å—è –æ–±–Ω–æ–≤–ª—è—Ç—å –∫–∞–∂–¥—ã–π –µ–≥–æ —ç–∫–∑–µ–º–ø–ª—è—Ä, –µ—Å–ª–∏ –≤–∞–º –Ω—É–∂–Ω–æ –±—ã–ª–æ –∏–∑–º–µ–Ω–∏—Ç—å —Å–ø–æ—Å–æ–± —Ä–∞–±–æ—Ç—ã –∑–∞–¥–∞—á–∏. –ß–µ–º –±–æ–ª—å—à–µ –≤–∞—à–∞ –∫–æ–¥–æ–≤–∞—è –±–∞–∑–∞, —Ç–µ–º –±–æ–ª—å—à–µ –≤—Ä–µ–º–µ–Ω–∏ –ø–æ—Ç—Ä–µ–±—É–µ—Ç—Å—è –Ω–∞ –≤–Ω–µ—Å–µ–Ω–∏–µ —ç—Ç–∏—Ö –∏–∑–º–µ–Ω–µ–Ω–∏–π.
–í–æ—Ç –≥–¥–µ —Ñ—É–Ω–∫—Ü–∏–∏ –ø—Ä–∏–≥–æ–¥—è—Ç—Å—è. –í Python —Å—É—â–µ—Å—Ç–≤—É–µ—Ç —Å–ø–µ—Ü–∏–∞–ª—å–Ω—ã–π —Ç–∏–ø —Ñ—É–Ω–∫—Ü–∏–∏, –Ω–∞–∑—ã–≤–∞–µ–º—ã–π –∞–Ω–æ–Ω–∏–º–Ω–æ–π —Ñ—É–Ω–∫—Ü–∏–µ–π, –∫–æ—Ç–æ—Ä—ã–π –ø–æ–∑–≤–æ–ª—è–µ—Ç –≤–∞–º –æ–±—ä—è–≤–ª—è—Ç—å –±—ã—Å—Ç—Ä—ã–µ —Ñ—É–Ω–∫—Ü–∏–∏: –ª—è–º–±–¥–∞-–≤—ã—Ä–∞–∂–µ–Ω–∏–µ.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –±—É–¥–µ—Ç –æ–±—Å—É–∂–¥–∞—Ç—å—Å—è, –∫–∞–∫ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –≤ Python –¥–ª—è –∞–≤—Ç–æ–º–∞—Ç–∏–∑–∞—Ü–∏–∏ –ø–æ–≤—Ç–æ—Ä—è—é—â–∏—Ö—Å—è –ø—Ä–æ—Ü–µ—Å—Å—ã. –ú—ã —Ç–∞–∫–∂–µ –ø—Ä–µ–¥–æ—Å—Ç–∞–≤–∏–º –¥–≤–∞ –ø—Ä–∏–º–µ—Ä–∞ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –≤ –¥–µ–π—Å—Ç–≤–∏–∏, —á—Ç–æ–±—ã —É –≤–∞—Å –±—ã–ª–∏ –≤—Å–µ –º–∞—Ç–µ—Ä–∏–∞–ª—ã, –Ω–µ–æ–±—Ö–æ–¥–∏–º—ã–µ –¥–ª—è –Ω–∞–ø–∏—Å–∞–Ω–∏—è —Å–æ–±—Å—Ç–≤–µ–Ω–Ω—ã—Ö.
–ß—Ç–æ —Ç–∞–∫–æ–µ —Ñ—É–Ω–∫—Ü–∏—è?
–í –ø—Ä–æ–≥—Ä–∞–º–º–∏—Ä–æ–≤–∞–Ω–∏–∏, —Ñ—É–Ω–∫—Ü–∏—è - —ç—Ç–æ –±–ª–æ–∫ –∫–æ–¥–∞, –∫–æ—Ç–æ—Ä—ã–π –≤—ã–ø–æ–ª–Ω—è–µ—Ç –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—É—é –∑–∞–¥–∞—á—É.
–û–¥–Ω–∞ –∏–∑ –æ—Å–Ω–æ–≤–Ω—ã—Ö –ø—Ä–∏—á–∏–Ω, –ø–æ –∫–æ—Ç–æ—Ä–æ–π –∫–æ–¥–µ—Ä—ã –∏—Å–ø–æ–ª—å–∑—É—é—Ç —Ñ—É–Ω–∫—Ü–∏–∏, –∑–∞–∫–ª—é—á–∞–µ—Ç—Å—è –≤ —Ç–æ–º, —á—Ç–æ –æ–Ω–∏ –ø–æ–º–æ–≥–∞—é—Ç —É–º–µ–Ω—å—à–∏—Ç—å –ø–æ–≤—Ç–æ—Ä–µ–Ω–∏–µ –≤ —Å–≤–æ–µ–º –∫–æ–¥–µ. –ï—Å–ª–∏ –≤—ã –æ–±—ä–µ–¥–∏–Ω—è–µ—Ç–µ –ø—Ä–æ—Ü–µ—Å—Å –≤ —Ñ—É–Ω–∫—Ü–∏—é, –≤—ã –º–æ–∂–µ—Ç–µ –≤—ã–∑—ã–≤–∞—Ç—å –µ–≥–æ –≤ –ª—é–±–æ–º –º–µ—Å—Ç–µ —Å–≤–æ–µ–π –ø—Ä–æ–≥—Ä–∞–º–º—ã. –í–∞–º –Ω–µ –Ω—É–∂–Ω–æ –ø–æ–≤—Ç–æ—Ä—è—Ç—å –∫–æ–¥ –Ω–µ—Å–∫–æ–ª—å–∫–æ —Ä–∞–∑.
–≠—Ç–æ —Ç–∞–∫–∂–µ –ø–æ–º–æ–≥–∞–µ—Ç —Ä–∞–∑—Ä–∞–±–æ—Ç—á–∏–∫–∞–º –ø–∏—Å–∞—Ç—å –±–æ–ª–µ–µ —É–¥–æ–±–Ω—ã–π –¥–ª—è —Å–æ–ø—Ä–æ–≤–æ–∂–¥–µ–Ω–∏—è –∫–æ–¥. –ï—Å–ª–∏ –≤–∞–º –Ω—É–∂–Ω–æ –≤–Ω–µ—Å—Ç–∏ –∏–∑–º–µ–Ω–µ–Ω–∏—è –≤ —ç—Ç–æ—Ç –ø—Ä–æ—Ü–µ—Å—Å, –≤—Å–µ, —á—Ç–æ –≤–∞–º –Ω—É–∂–Ω–æ —Å–¥–µ–ª–∞—Ç—å, —ç—Ç–æ –∏–∑–º–µ–Ω–∏—Ç—å —Å–≤–æ—é —Ñ—É–Ω–∫—Ü–∏—é. –í–∞–º –Ω–µ –Ω—É–∂–Ω–æ –≤–Ω–æ—Å–∏—Ç—å –∏–∑–º–µ–Ω–µ–Ω–∏—è –≤ –Ω–µ—Å–∫–æ–ª—å–∫–æ —Å—Ç—Ä–æ–∫ –∫–æ–¥–∞, –∫–æ—Ç–æ—Ä—ã–µ –±—ã–ª–∏ —Ç–æ–ª—å–∫–æ —á—Ç–æ —Å–∫–æ–ø–∏—Ä–æ–≤–∞–Ω—ã –∏ –≤—Å—Ç–∞–≤–ª–µ–Ω—ã –≤ –≤–∞—à—É –ø—Ä–æ–≥—Ä–∞–º–º—É.
–í–æ—Ç –ø—Ä–∏–º–µ—Ä —Ñ—É–Ω–∫—Ü–∏–∏ –≤ Python:
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. bootcamp —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–æ–≥–¥–∞ –º—ã –∑–∞–ø—É—Å–∫–∞–µ–º —ç—Ç–æ—Ç –∫–æ–¥, –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç—Å—è —Å–ª–µ–¥—É—é—â–µ–µ : –ó–¥—Ä–∞–≤—Å—Ç–≤—É–π—Ç–µ, –ê—Ä—Ç—É—Ä.
–•–æ—Ç—è —ç—Ç–∏ —Ñ—É–Ω–∫—Ü–∏–∏ –ø–æ–ª–µ–∑–Ω—ã, –µ—Å–ª–∏ –≤—ã —Ö–æ—Ç–∏—Ç–µ —Å–¥–µ–ª–∞—Ç—å —á—Ç–æ-—Ç–æ –ø—Ä–æ—Å—Ç–æ–µ, –Ω–∞–ø—Ä–∏–º–µ—Ä, —Å–¥–µ–ª–∞—Ç—å –∫–∞–∂–¥—É—é —Å—Ç—Ä–æ–∫—É –≤ —Å–ø–∏—Å–∫–µ —Å—Ç—Ä–æ–∫ –≤ –Ω–∏–∂–Ω–µ–º —Ä–µ–≥–∏—Å—Ç—Ä–µ, –Ω–∞–ø–∏—Å–∞–Ω–∏–µ —Ñ—É–Ω–∫—Ü–∏–∏ –¥–æ–≤–æ–ª—å–Ω–æ –º–Ω–æ–≥–æ—Å–ª–æ–≤–Ω–æ. –í—ã " d –Ω–µ–æ–±—Ö–æ–¥–∏–º–æ –ø—Ä–∏—Å–≤–æ–∏—Ç—å –∏–º—è –Ω–æ–≤–æ–π —Ñ—É–Ω–∫—Ü–∏–∏ –¥–ª—è —Ç–æ–≥–æ, —á—Ç–æ–±—ã –≤–∞—à –∫–æ–¥ —Ä–∞–±–æ—Ç–∞–ª. –í–æ—Ç –≥–¥–µ –ø–æ—è–≤–ª—è—é—Ç—Å—è –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏.
–ß—Ç–æ —Ç–∞–∫–æ–µ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è?
–õ—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è - —ç—Ç–æ —Ç–∏–ø —Ñ—É–Ω–∫—Ü–∏–∏, –∫–æ—Ç–æ—Ä–∞—è –æ–ø—Ä–µ–¥–µ–ª—è–µ—Ç—Å—è –±–µ–∑ –∏–º–µ–Ω–∏. –≠—Ç–∏ —Ñ—É–Ω–∫—Ü–∏–∏ –∏–Ω–æ–≥–¥–∞ —Ç–∞–∫–∏–µ —Ñ—É–Ω–∫—Ü–∏–∏ –Ω–∞–∑—ã–≤–∞—é—Ç—Å—è –∞–Ω–æ–Ω–∏–º–Ω—ã–º–∏, –ø–æ—Ç–æ–º—É —á—Ç–æ –∏–º –Ω–µ –Ω—É–∂–Ω–æ –∏–º—è. –í —Ç–æ –≤—Ä–µ–º—è –∫–∞–∫ –Ω–∞—à–∞ —Ñ—É–Ω–∫—Ü–∏—è —Ä–∞–Ω–µ–µ –∏–º–µ–ª–∞ –∏–º—è sayHello –∏ –±—ã–ª–∞ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–∞ —Å –ø–æ–º–æ—â—å—é " def & rdquo ;, –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è –Ω–µ –Ω—É–∂–¥–∞–µ—Ç—Å—è –≤ –∏–º–µ–Ω–∏ –∏ –æ–ø—Ä–µ–¥–µ–ª—è–µ—Ç—Å—è —Å –ø–æ–º–æ—â—å—é " lambda & rdquo ;.
–ì–ª–∞–≤–Ω–æ–µ –ø—Ä–µ–∏–º—É—â–µ—Å—Ç–≤–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏–µ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –∑–∞–∫–ª—é—á–∞–µ—Ç—Å—è –≤ —Ç–æ–º, —á—Ç–æ –µ–µ –º–æ–∂–Ω–æ –∑–∞–ø–∏—Å–∞—Ç—å –≤ –æ–¥–Ω—É —Å—Ç—Ä–æ–∫—É. –≠—Ç–æ –¥–µ–ª–∞–µ—Ç –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –ø–æ–ª–µ–∑–Ω—ã–º–∏, –µ—Å–ª–∏ —É –≤–∞—Å –µ—Å—Ç—å –±—ã—Å—Ç—Ä—ã–π –ø—Ä–æ—Ü–µ—Å—Å, –∫–æ—Ç–æ—Ä—ã–π –Ω—É–∂–Ω–æ –≤—ã–ø–æ–ª–Ω–∏—Ç—å –Ω–µ—Å–∫–æ–ª—å–∫–æ —Ä–∞–∑. –í–æ—Ç –Ω–µ—Å–∫–æ–ª—å–∫–æ —Å–ª—É—á–∞–µ–≤, –∫–æ–≥–¥–∞ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è –º–æ–∂–µ—Ç –±—ã—Ç—å –ø–æ–ª–µ–∑–Ω–æ–π:
- –£–º–Ω–æ–∂–µ–Ω–∏–µ —á–∏—Å–ª–∞
- –ü—Ä–µ–æ–±—Ä–∞–∑–æ–≤–∞–Ω–∏–µ —Å—Ç—Ä–æ–∫–∏ –≤ –≤–µ—Ä—Ö–Ω–∏–π –∏–ª–∏ –Ω–∏–∂–Ω–∏–π —Ä–µ–≥–∏—Å—Ç—Ä
- –§–∏–ª—å—Ç—Ä–∞—Ü–∏—è —Å–ø–∏—Å–∫–∞
–í–æ—Ç —Å–∏–Ω—Ç–∞–∫—Å–∏—Å –¥–ª—è —Å–æ–∑–¥–∞–Ω–∏—è –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –≤ Python:
–ö–æ–ª–∏—á–µ—Å—Ç–≤–æ –∞—Ä–≥—É–º–µ–Ω—Ç–æ–≤, –∫–æ—Ç–æ—Ä—ã–µ –≤—ã –º–æ–∂–µ—Ç–µ —É–∫–∞–∑–∞—Ç—å —Å –ø–æ–º–æ—â—å—é –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏, –Ω–µ –æ–≥—Ä–∞–Ω–∏—á–µ–Ω–æ. –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, –∫–∞–∫ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è —Ä–∞–±–æ—Ç–∞–µ—Ç –≤ Python. –ü—Ä–µ–¥–ø–æ–ª–æ–∂–∏–º, –º—ã —Ö–æ—Ç–∏–º —É–º–Ω–æ–∂–∏—Ç—å —á–∏—Å–ª–æ –Ω–∞ —Å–µ–º—å. –î–ª—è —ç—Ç–æ–≥–æ –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å —Å–ª–µ–¥—É—é—â—É—é —Ñ—É–Ω–∫—Ü–∏—é:
–ö–æ–≥–¥–∞ –º—ã –∑–∞–ø—É—Å–∫–∞–µ–º —ç—Ç–æ—Ç –∫–æ–¥, –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç—Å—è —Å–ª–µ–¥—É—é—â–µ–µ: 14.
–•–æ—Ç—è —ç—Ç–æ—Ç –∫–æ–¥ —Ä–∞–±–æ—Ç–∞–µ—Ç, —ç—Ç–æ –Ω–µ —Ç–∞–∫. –Ω–∞—Å—Ç–æ–ª—å–∫–æ —ç—Ñ—Ñ–µ–∫—Ç–∏–≤–Ω–æ, –Ω–∞—Å–∫–æ–ª—å–∫–æ —ç—Ç–æ –≤–æ–∑–º–æ–∂–Ω–æ. –ú—ã —Ç—Ä–∞—Ç–∏–º —Ü–µ–ª—É—é —Å—Ç—Ä–æ–∫—É –∫–æ–¥–∞, –æ–ø—Ä–µ–¥–µ–ª—è—é—â—É—é –∏–º—è –∏ –∞—Ä–≥—É–º–µ–Ω—Ç—ã –¥–ª—è –Ω–∞—à–µ–π —Ñ—É–Ω–∫—Ü–∏–∏, –∏ –µ—â–µ –æ–¥–Ω—É —Å—Ç—Ä–æ–∫—É –∫–æ–¥–∞, –≤—ã—á–∏—Å–ª—è—è –∏ –≤–æ–∑–≤—Ä–∞—â–∞—è –∑–Ω–∞—á–µ–Ω–∏–µ. –ß—Ç–æ–±—ã —Å–¥–µ–ª–∞—Ç—å –Ω–∞—à—É —Ñ—É–Ω–∫—Ü–∏—é –±–æ–ª–µ–µ —ç—Ñ—Ñ–µ–∫—Ç–∏–≤–Ω–æ–π, –º—ã –º–æ–≥–ª–∏ –±—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—é.
–í–æ—Ç " –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—è, –∫–æ—Ç–æ—Ä–∞—è –≤—ã–ø–æ–ª–Ω—è–µ—Ç —Ç–æ –∂–µ –¥–µ–π—Å—Ç–≤–∏–µ, —á—Ç–æ –∏ –≤—ã—à–µ:
–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç: 14. –ö–∞–∫ –≤–∏–¥–∏—Ç–µ, —Ä–µ–∑—É–ª—å—Ç–∞—Ç –Ω–∞—à–µ–π —Ñ—É–Ω–∫—Ü–∏–∏ —Ç–∞–∫–æ–π –∂–µ. –∑–∞–∫–ª—é—á–∞–µ—Ç—Å—è –≤ —Ç–æ–º, —á—Ç–æ –º—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–ª–∏ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—é –≤–º–µ—Å—Ç–æ –æ–±—ã—á–Ω–æ–π. –í —ç—Ç–æ–º —Å–ª—É—á–∞–µ:
–õ—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ —à–∏—Ä–æ–∫–æ –∏—Å–ø–æ–ª—å–∑—É—é—Ç—Å—è –≤ Python. –í –Ω–∞—à–µ–º –ø–æ—Å–ª–µ–¥–Ω–µ–º –ø—Ä–∏–º–µ—Ä–µ –º—ã –ø—Ä–æ–¥–µ–º–æ–Ω—Å—Ç—Ä–∏—Ä–æ–≤–∞–ª–∏, –∫–∞–∫ –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏—é –¥–ª—è —É–º–Ω–æ–∂–µ–Ω–∏—è —Ç –¥–≤–∞ —á–∏—Å–ª–∞. –ù–æ –µ—Å—Ç—å –µ—â–µ –Ω–µ—Å–∫–æ–ª—å–∫–æ —Ä–∞—Å–ø—Ä–æ—Å—Ç—Ä–∞–Ω–µ–Ω–Ω—ã—Ö —Å–ª—É—á–∞–µ–≤ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–Ω–∏—è, –æ –∫–æ—Ç–æ—Ä—ã—Ö –≤–∞–º —Å–ª–µ–¥—É–µ—Ç –∑–Ω–∞—Ç—å.
–ß–∞—Å—Ç–æ –ª—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –∏—Å–ø–æ–ª—å–∑—É—é—Ç—Å—è –≤–º–µ—Å—Ç–µ —Å–æ –≤—Å—Ç—Ä–æ–µ–Ω–Ω—ã–º–∏ —Ñ—É–Ω–∫—Ü–∏—è–º–∏, —Ç–∞–∫–∏–º–∏ –∫–∞–∫ reduce (), —Ñ—É–Ω–∫—Ü–∏—é map () –∏–ª–∏ —Ñ—É–Ω–∫—Ü–∏—é filter (). –õ—è–º–±–¥–∞-—Ñ—É–Ω–∫—Ü–∏–∏ –∏–Ω–æ–≥–¥–∞ –∏—Å–ø–æ–ª—å–∑—É—é—Ç—Å—è —Å–æ —Å–ø–∏—Å–∫–∞–º–∏ –¥–ª—è –≤—ã–ø–æ–ª–Ω–µ–Ω–∏—è –ø–æ–≤—Ç–æ—Ä—è—é—â–∏—Ö—Å—è –∑–∞–¥–∞—á.
–î–æ–ø—É—Å—Ç–∏–º, —É –Ω–∞—Å –µ—Å—Ç—å –ø–µ–∫–∞—Ä–Ω—è, –∏ –º—ã —Ö–æ—Ç–∏–º —Å–æ–∑–¥–∞—Ç—å —Å–ø–∏—Å–æ–∫ –≤—Å–µ—Ö –ø—Ä–æ–¥–∞–≤–∞–µ–º—ã—Ö –Ω–∞–º–∏ –ø–∏—Ä–æ–≥–æ–≤ –Ω–∞ –æ—Å–Ω–æ–≤–µ —Å–ø–∏—Å–∫–∞ –≤—Å–µ–π –≤—ã–ø–µ—á–∫–∏, –∫–æ—Ç–æ—Ä—É—é –º—ã –ø—Ä–æ–¥–∞–µ–º. –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–¥–∞:
–î–∞–≤–∞–π—Ç–µ —Ä–∞–∑–±–µ—Ä–µ–º—Å—è, –∫–∞–∫ —ç—Ç–æ —Ä–∞–±–æ—Ç–∞–ª–æ. –í –ø–µ—Ä–≤–æ–π —Å—Ç—Ä–æ–∫–µ –Ω–∞—à–µ–≥–æ –∫–æ–¥–∞ –º—ã –æ–±—ä—è–≤–∏–ª–∏ —Å–ø–∏—Å–æ–∫ –≤—ã–ø–µ—á–∫–∏. –ó–∞—Ç–µ–º –º—ã –∏—Å–ø–æ–ª—å–∑–æ–≤–∞–ª–∏ —Ñ—É–Ω–∫—Ü–∏—é filter (), —á—Ç–æ–±—ã –æ—Ç—Ñ–∏–ª—å—Ç—Ä–æ–≤–∞—Ç—å –≤—Å—é –≤—ã–ø–µ—á–∫—É, —Å–æ–¥–µ—Ä–∂–∞—â—É—é —Å–ª–æ–≤–æ " Pie & rdquo ;. –§—É–Ω–∫—Ü–∏—è filter () –ø–æ–∑–≤–æ–ª–∏–ª–∞ –Ω–∞–º –ø–µ—Ä–µ–±—Ä–∞—Ç—å –∫–∞–∂–¥—ã–π —ç–ª–µ–º–µ–Ω—Ç –≤ " baked_goods " –ø–µ—Ä–µ—á–∏—Å–ª–∏—Ç—å –∏ –æ—Ç—Ñ–∏–ª—å—Ç—Ä–æ–≤–∞—Ç—å —ç–ª–µ–º–µ–Ω—Ç—ã, –Ω–µ —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤—É—é—â–∏–µ –æ–ø—Ä–µ–¥–µ–ª–µ–Ω–Ω—ã–º –∫—Ä–∏—Ç–µ—Ä–∏—è–º.
