干货|11 个 Python 高级技巧

a, *mid, b = [1, 2, 3, 4, 5, 6]print(a, mid, b)# 1 [2, 3, 4, 5] 6

id = [1, 2, 3, 4]leaders = ['Elon Mask', 'Tim Cook', 'Bill Gates', 'Yang Zhou']sex = ['male', 'male', 'male', 'male']record = zip(id, leaders, sex)print(list(record))# [(1, 'Elon Mask', 'male'), (2, 'Tim Cook', 'male'), (3, 'Bill Gates', 'male'), (4, 'Yang Zhou', 'male')]

print(list(filter(lambda x: x % 2 == 1, numbers)))# [1, 37, 43, 51, 83, 43]

>>> L = [1,3,5,7]>>> a, _, b, _ = L>>> print(a, b)15

Genius = ["Jerry", "Jack", "tom", "yang"]L1 = [name if name.startswith('y') else'Not Genius'for name in Genius]print(L1)# ['Not Genius', 'Not Genius', 'Not Genius', 'yang']

defmy_func():pass

defmy_func():    ...

import retxt = "Yang is so handsome!!!"x = re.search("Elon", txt)print(x)#None

names = ['yAnG', 'MASk', 'thoMas', 'LISA']names = map(str.capitalize, names)print(list(names))# ['Yang', 'Mask', 'Thomas', 'Lisa']

from functools import reducecity = ['L', 'o', 'n', 'd', 'o', 'n', 2, 0, 2, 0]city_to_str = reduce(lambda x, y: str(x) + str(y), city)print(city_to_str)# London2020

quote = "   Yang   is a full   stack hacker."new_quote = ' '.join(quote.split())print(new_quote)# Yang is a full stack hacker.

>>> a = [1, 2, 3, 4, 5, 6]>>> b = a[:]>>> b[0]=100>>> b[100, 2, 3, 4, 5, 6]>>> a[1, 2, 3, 4, 5, 6]

>>> 5+611>>> _11