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摘要: alist=[2,5,32,34,11,44,65,113] print(alist[::])##取所有alist [2, 5, 32, 34, 11, 44, 65, 113] print(alist[::-1])##alist倒序 [113, 65, 44, 11, 34, 32, 5, 2] 阅读全文
posted @ 2024-01-17 15:14 howhy 阅读(14) 评论(0) 推荐(0)
摘要: 阅读全文
posted @ 2024-01-17 13:44 howhy 阅读(6) 评论(0) 推荐(0)
摘要: import contextlib class MyWith: def __enter__(self): print('enter') return self def doThing(self): print('do.....') def __exit__(self, exc_type, exc_v 阅读全文
posted @ 2024-01-17 12:00 howhy 阅读(9) 评论(0) 推荐(0)
摘要: from concurrent.futures.thread import ThreadPoolExecutor import requests song_list=[ {'title':'胡广生.mp3','url':'https://webfs.hw.kugou.com/202401081759 阅读全文
posted @ 2024-01-09 11:34 howhy 阅读(20) 评论(0) 推荐(0)
摘要: https://tls.browserleaks.com/json from curl_cffi import requests 阅读全文
posted @ 2023-12-27 14:33 howhy 阅读(42) 评论(0) 推荐(0)
摘要: const { default: axios } = require("axios"); const yt = require("crypto-js") const Axios = require("axios") function cc1(){ var e = (new Date).getTime 阅读全文
posted @ 2023-12-14 17:47 howhy 阅读(289) 评论(0) 推荐(0)
摘要: class Student(): def __new__(cls, *args, **kwargs):##创建类的实例 print('__new__') return object.__new__(cls)##此处返回才会调用__init__ def __init__(self):##初始化类的实例 阅读全文
posted @ 2023-12-07 11:34 howhy 阅读(7) 评论(0) 推荐(0)
摘要: python :用@asyncio.coroutine装饰器生成的对象是一个生成器对象 但不是协程对象 用async 定义的函数对象不是一个生成器,但是一个协程对象 import asyncio from collections.abc import Coroutine,Generator @asy 阅读全文
posted @ 2023-12-06 14:43 howhy 阅读(14) 评论(0) 推荐(0)
摘要: 一个对象若要用for 循环 则需实现def __iter__(self, item) 或def __iter__(self, item)方法 可迭代对象 实现了def __iter__(self, item)方法 迭代器 实现了def __iter__(self, item)和def __next_ 阅读全文
posted @ 2023-12-05 17:06 howhy 阅读(13) 评论(0) 推荐(0)
摘要: import threading from concurrent.futures import ThreadPoolExecutor,as_completed,wait import time # # def task(name): # print('task: %s'%name) local_da 阅读全文
posted @ 2023-12-04 18:23 howhy 阅读(135) 评论(0) 推荐(0)
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