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Built in function mind map: https://www.processon.com/mindmap/5c10ca52e4b0c2ee256ac034 Built-in function Anonymous function The unified name of anonymous function is: < lambda > Usage scenario: used with sorted, map and filter   fn = lambda a, b : a + b # Define a very simple function. Do not use complex functions lambda ret = fn(3, 5) p ...

The latest pycharm activation code, by November next year, a hardworking Python programmer In the past two days, I have been busy with the small projects arranged by the school, which are less updated for you. I will fill them up slowly and study hard at pycharm. If you have any questions, please ask me. I will try my best to help you answer th ...

python crawler scratch project (2) Crawling target: fangtianxia national rental information website (starting url: http://zu.fang.com/cities.aspx) Crawling content: City; name; rental method; price; house type; area; address; transportation Anti creep measures: set random user agent, set request delay operation 1. Start to create project 1 scr ...

background Recently, it's more and more hard to watch the computer at work, and my eyes are more and more uncomfortable. Occasionally, a few tears will come out. At this time, I finally realized that it must be excessive use of eyes. On average, I stare at the screen for no less than eight hours every day, and my eyes don't get pro ...

There are many activation codes on the Internet now, but they are all short-term. We need to always find new activation codes. Here is a way to activate permanently. First, we need to see the curative effect. By 2100, there will be 80 years left. Ha ha Method: Step 1: download the patch file JetbrainsCrack-release-enc.jar ...

Crawling Top 100 cat's eye movies After that, I will climb the book information of Douban (mainly the information, score and proportion of the book, but not the comments). Original, reprint please contact me. Requirement: crawling all books under a certain type of label of Douban Language: python Support library: Regular, parse and search ...

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Recently there are crawler-related requirements, so I looked for a video (link in the end) on Station B and made a small program, which generally did not modify, but in the final storage, changed from txt to excel. Brief Requirements: Crawl Crawl Cat Eye Movie TOP100 List Data Use language: python Tools: PyCharm Involving libraries: re ...

About the Flask filter The function of the filter provided by Flask is limited, and it can't meet the user's requirements in many cases. Therefore, Flask provides the user with a template filter decorator, which is used to create user-defined filters Time display Regular users of blogs will notice that the general ...

       Python : 3.7.3          OS : Ubuntu 18.04.2 LTS         IDE : pycharm-community-2019.1.3       Conda : 4.7.5    typesetting : Markdown   code_1 """ @Author : Xing Xin @Date : 2019/7/2 @Blog : www.cnblogs.com/xingchuxin @Gitee : gitee.com/zhichengjiu """ def main(): # The final value is 9 end_num = 9 # Row cou ...