#shopping code#shopping.py#导入登录模块import login# shop car beginningsalary = input("请输入工资:\t")###判断输入工资是否为整型###if salary.isdigit(): salary = int(salary)else: print ("salary not digit") exit()###打印一句牛逼的话####welcome_msg = 'welcome to our sh…

Converting Python Virtual Machine Code to C…

install python extension Press F1, and input "ext install python". Then the icon at the leftmost side of the status bar is saying that something is being installed. Need to wait a while. Use command "ext" + a space to see installed ext…

本文以实例code讲解python 调用 C++的方法. 1. 如果没有参数传递从python传递至C++,python调用C++的最简单方法是将函数声明为C可用函数,然后作为C code被python调用,如这里三楼所示: 2. 有参数传递至C++函数,swig是最便捷的调用方法,以下面这个工程所示为例: rachel.i (swig文件): %module rachel %{ #include "rachel.h" %} extern int linear(int x, int w…

解决python打印%号和%format输出问题 >>> print('%s' %'1') 1 >>> print('%s%' %'1') Traceback (most recent call last): File "<pyshell#4>", line 1, in <module> print('%s%' %'1') ValueError: incomplete format 解决:用%%代替% >>>…

好久时间没有做Django的项目了,今天创建项目竟然报Non-zero exit code(1)错误 查明原因是因为pip不是最新版本,需要执行以下命令:python -m pip install --upgrade pip 但还是没有成功,提示超时,估计源有问题 使用豆瓣源进行安装,问题解决了 命令:python -m pip install --upgrade pip -ihttp://pypi.douban.com/simple --trusted-host pypi.douban.com…

python爬虫 代码写挺长的,也是边学边写,但一直搞不清楚python的encode(编码)和decode(解码).以下是我的探究之路. 一.当然先看官方文档 地址如下 里面提到encode函数'Return an encoded version of the string as a bytes object.'就是将字符串进行编码,返回得到bytes类型对象, 而decode函数正好相反,是将bytes解码为字符串类型. 二.实际操作一下 直接以爬虫代码为例: 12 response=req…

广度优先算法: # -*- coding: utf-8 -*- import urllib import urllib.request from bs4 import BeautifulSoup import threading mylock = threading.RLock() class Crawler: unVisitUrl = set() visitedUrl = [] def getHtml(self , url): html = '' req = urllib.request.Re…

# _Author:huang# date: 2017/11/26 # 简单的购物车程序money = input("money:") product_list = [ ("Mac", 9000), ("Kindle", 300), ("Tesla", 8000), ("book", 60), ("bike", 400)] shopping_car = [] if money.isdig…

首先重新获取访问口令token: https://developers.facebook.com/tools/debug/accesstoken/?q=EAAYDuzyd3eYBAK9lZCErZBlZAEZBOIVPgeQLtk6Im8gXlxuC6wmkryh5wntOWQxdcSeZCNCB73rWmr0Q63e6TukRiBpuN9ZAMAVW96zoXSXQxh8IdiceTt7OvNQq6B3xxOrkxkGClwBf5L7XICfx2lldwnN5hcTAXV4OLS5ZAZBB4…