ax478的博客

#find()：查找字符位置并返回下标，没找到返回-1s = "abc"print(s.find("b"))print(s.find("z"))#title()：把字符串转换为第一个字符大写的格式，用于开头，返回字符串print(s.title())#split()：通过指定字符分隔字符串，返回列表s = "axsadjx sjhx"print(s.split("x"))#upp...

class human(object): #定义一个父类 def __init__(self, name): self.__name = name self.__walk = True def get_name(self): return self.__name def set_name(self, name): ...

import re#匹配abcm = re.findall("abc", "aabbccabccbaccbaaabcabc")print(m)#匹配一位数字，digitm = re.findall("\d", "123abc1a2b3c1b2c3a")print(m)#匹配四位数字m = re.findall("\d\d\d\d", "123abc1234ab12345c"

#_*_ coding: utf-8 _*_#写文件，先以w的格式打开文件（w即write，写），再writelines()写文件f = open("c:/Users/47864/Desktop/2.txt", "w")f.writelines("read success\n" + "lkzlso")f.close()print("write success!")#读文件，直接open...

class Node(object): def __init__(self, index): self.index = index self.left_child = None self.right_child = Noneclass BinarySearchTree(object): def __init__(self, root...

内容来源：雨敲窗python教程 爬取糗事百科的段子#_*_ coding: utf-8 _*_import reimport requestsimport htmlimport timedef crawl_joke_list(page = 1): url = "https://www.qiushibaike.com/8hr/page/" + str(page)...