Fredreck1919的博客

免费ipimport requests # 导入网络请求模块from lxml import etree # 导入HTML解析模块import pandas as pd # 导入pandas模块ip_list = [] # 创建保存ip地址的列表def get_ip(url, headers): # 发送网络请求 response = requests.get(url, headers=headers) response.encoding = 'ut.

#用进程算数的阶乘from multiprocessing import Processclass MyProcessJC(Process): def run2(self,n): totle=1 for j in range(1,n+1): totle*=j print(totle)if __name__ ...

#不用swapcase函数以实现其功能#实现swapcase函数->ascii码方式#列表/元祖方式def togglecase(s): #设置存储结果的变量 result = '' #大写字母列表 upper = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','...

class Chuli: #count计算列表内每个元素出现的次数 def count1(self,list1): zd ={} for i in list1: if i not in zd: zd[i]=1 else: zd[i]+=1...

# 用Python 简单访问 MongoDB# server.pyfrom http.server import HTTPServer, CGIHTTPRequestHandler port = 8000 httpd = HTTPServer(('', port), CGIHTTPRequestHandler) print("Starting simple_httpd on por...

#简易计算器from tkinter import *import mathroot = Tk()root.title('计算器')root.minsize(340, 310)# 顶部区域v = StringVar()v.set('0')show_label = Label(root, textvariable=v, bg='white', width=12

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#1.模拟简单购物车#设定购物车(开始值为空)shoppingcart = {}#计算总价的函数def totalprice(): # 全局化 global shoppingcart #累计和的变量 sumprice = 0 #遍历购物车中的所有数据 ，进行累加 for v in shoppingcart.values(): ...

用数据库实现多态简介

#快速排序简介#1.直接排：取第一个数和后面的比，小的放前面，大的放后面def kp(ls): min1 = [] max1 = [] if len(ls) <= 1: return ls for i in ls[1:]: if i <= ls[0]: min1.append(i) ...

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