Programmer Think

  the following are some practical Python skills and tools I have collected for a long time. I hope they can be helpful to novices who have just learned python.    1. Exchange variables x = 6 y = 5 x, y = y, x print x >>> 5 print y >>> 6 2.if statement in line print "Hello" if True else "World" >>> Hello 3 ...

The background of the event is that there are often many trivial things that need to be done at a certain time point. Relying on manpower alone is prone to deviation, especially for players who are easy to get confused. So I started to write a set of code, which can send messages through wechat as needed. Whether it is a memo to serve as an au ...

Hello, I'm 👉 [year of fighting] This issue introduces you step by step how to crawl all the Q & a related data. I hope it will be helpful to you. Target website: https://www.zhihu.com/question/368550554 Crawl field: crawl the release time, author, approval number, content, etc. of all answers under the question (other fields ca ...

1. Experimental Purpose To crawl the State Drug Administration( Service Platform for Cosmetics Production License Information Management System (nmpa.gov.cn) (Details of cosmetics production (specific information about each enterprise), when we entered the first page of this website, we found that it was structured with 15 pieces of json-type ...

1, Dictionary Dictionary is a kind of mapping type, that is, key value combination. The elements in the dictionary are unordered. Keys can be strings, numbers or tuples, but lists cannot be used. (1) Dictionary creation Create a dictionary by using curly braces, or {}, which can contain multiple key value pairs (key value), with colon: ...

Python has many useful frameworks, and the Scrapy framework is the most important one in the crawling world. 1. Installation and Startup Installation (Command Line) pip3 install scrapy Create a scrapy project (command line goes to the directory where the scrapy project is to be created): scrapy startproject Project Name Create a crawle ...

RPA example RPA software There are many open source RPA software, which will be used next TagUI,Robocorp and WeAutomate Studio As an example, WeAutomate Studio is Huawei's RPA tool, and the developer designer has a 3-month trial period. TagUI TagUI is maintained by AI Singapore. It is an RPA command line interface tool that can run on any m ...

A little python knowledge a day Does it not smell when you add up more??? Section XIV Operators and public methods Operator, supports container types # Multiple variables are assigned to the same value, one to one, str1, str2 = "abc", "def" # Character string list1, list2 = [1, 2], [3, 4] # list t1, t2 = (11, 21), (31, 41) # Tuple tuple ...

In the era of big data, data has become the most important foundation. Whether it is data mining, data analysis, machine learning or deep learning in artificial intelligence, data is the foundation. Without data, there will be no later development. The following is the position data of 51job network for data analysis. Environmental Science: p ...