代码运行次数:0 pip--default-timeout=100install pyqt5-i http://pypi.douban.com/simple--trusted-host pypi.douban.com 代码语言:javascript 代码运行次数:0 AI代码解释 pip--default-timeout=100install pyqt5-tools-i http://pypi.douban.com/simple--trusted-host pypi.douban.com 2 配置Pycharm 下面开...
Run Code Output Select operation. 1.Add 2.Subtract 3.Multiply 4.Divide Enter choice(1/2/3/4): 3 Enter first number: 15 Enter second number: 14 15.0 * 14.0 = 210.0 Let's do next calculation? (yes/no): no In this program, we ask the user to choose an operation. Options 1, 2...
simple python code when @ simplnano code: 1importserial,time,itertools23try:4ser=serial.Serial(2,115200,timeout=0)5except:6print'Open COM2 Failed!!'789#transno=(1,100,500,1380,1381)10#transno=(1,20)11indexsets=[[0],[1],[2],[3],[0,1],[0,2],[0,3],[1,2],[1,3],[2,...
pip install selenium==3.141.0-i https://pypi.tuna.tsinghua.edu.cn/simple 安装selenium库之后,还要安装浏览器,一般本地都已经安装完毕,本书采用chrome浏览器,打开浏览器,在地址栏输入Chrome://version,可以查看到浏览器的版本,如下图所示: 确定版本后,可以下载对应的驱动。 Selenium支持多种浏览器驱动,包括Chro...
There are many ways to cause havoc if you just let people run code on your machine. To use a very simplistic example, where you take user input and send it, unfiltered, to subprocess to run on the shell: Windows Linux + macOS Python unsafe_program.py import subprocess # ... ...
View Code flags 编译标志位,用于修改正则表达式的匹配方式,如:是否区分大小写, 多行匹配等等。 1 2 3 4 5 re.match('com', 'comwww.runcomoob').group() re.match('com', 'Comwww.runComoob',re.I).group() search:re.search(pattern, string, flags=0) re.search('\dcom', 'www.4comrunoob...
Python code: class PatternFactory: @staticmethod def create_pattern(pat_type, l): if pat_type == 'rt_triangle': return '\n'.join(['*' * (ix + 1) for ix in range(l)]) # Add more pattern types here pat = PatternFactory.create_pattern('rt_triangle', 5) print(pat) Design Patte...
Step 1: Get Your Code Files ReadyTo package your work, you need, well…work. Once you’ve completed your code, modularized and tested it, you will need to put it in a specific hierarchy before you start packing and publishing it. Here’s a simple project hierarchy you can start with:...
Spyder，27% Visual Studio Code，21% Sublime Text，12% 1、如果你是数据分析师，使用notebook，方便...
《Python Cookbook 中文版》(第3版):https://book.douban.com/subject/26381341/ 《父与子的编程之旅》:https://www.code-nav.cn/rd/?rid=8937eaa9615519680ed81c0e3165ee65 ⭐《Python 深度学习》https://www.code-nav.cn/rd/?rid=2d44d6c261624dd31224ed1b5841920c 《Python网络爬虫实战》第2版:https...