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What do you want to do most after the outbr ...
Posted by flyersman on Sat, 27 Jun 2020 08:49:04 +0200
1, Advanced file processing interface
Is a high-level file operation toolIt is similar to advanced API, and its main strength lies in its better support for copying and deleting files.
Copyfile (src, dst) is copied from source src to dst. Of course, the premise is that the target address has writable permission. The exce ...
Posted by Dorin85 on Mon, 27 Apr 2020 08:14:45 +0200
What is an os module
The os module provides the function interface functions of most operating systems. When the os module is imported, it will adapt to different operating system platforms and perform corresponding operations according to different platforms. When programming in python, it often deals with files and directories. At this time, ...
Posted by vixtay on Fri, 24 Apr 2020 06:19:52 +0200
Chapter VI functions
4.1 function definition and call
4.1.1 why to use function
1. Improve code reusability -- abstract and encapsulate as function
2. Decompose complex big problems into a series of small problems, divide and rule -- the idea of modular design
3. Facilitate code maintenance and m ...
Posted by SiriusB on Mon, 02 Mar 2020 06:01:33 +0100
This question is already answered here:
How do I make a flat list from a list? 45 answers
Is there an easy way to understand lists to flatten lists of iterative objects, otherwise, if you don't think it's the best way to flatten such shallows, balance performance and readability?
I tried to flatten such lists by understanding ...
Posted by johnny44 on Sun, 16 Feb 2020 02:51:22 +0100
Looking at the learning video these days, I see a very interesting thing Jupyter Notebook, but the video is installed locally.So I thought that if the server I bought was idle, I would take it out to install one so that it could be used in the cloud.
0. Installation Page
I use pyenv's virtual environment directly to install here, and I ...
Posted by siwis on Thu, 08 Aug 2019 20:07:15 +0200
Pandas Data Analysis - Chapter 3 (Index)
The index object of pandas manages week labels and other metadata, and any array or other sequence labels used to build Series or DataFrame poems are converted to an index.
In : obj = pd.Series(range(3),index=list('abc')) ...
Posted by kmutz22 on Mon, 05 Aug 2019 10:24:29 +0200