python tag

Python is a high-level, interpreted, general-purpose programming language. Its design philosophy emphasizes code readability with the use of significant indentation.

Python is dynamically-typed and garbage-collected. It supports multiple programming paradigms, including structured (particularly procedural), object-oriented and functional programming. It is often described as a "batteries included" language due to its comprehensive standard library.

Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language and first released it in 1991 as Python 0.9.0. Python 2.0 was released in 2000 and introduced new features such as list comprehensions, cycle-detecting garbage collection, reference counting, and Unicode support. Python 3.0, released in 2008, was a major revision that is not completely backward-compatible with earlier versions. Python 2 was discontinued with version 2.7.18 in 2020.

Python consistently ranks as one of the most popular programming languages. It is used by many organizations and companies. Pixar, Disney, Instagram and the developers of the Linux Kernel are among many of it's high-profile users, which includes many developers of Free and Open source software.

Reference: WIKIPEDIA

4650 questions


1 answers
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I want to perform event processing in pyqtgraph

I don't know how to run the program below and finish it properly when I close win1,win2 in the window I created.I'd like to write a code like the so-called event handler in pyqtgraph, so please tell m...


1 answers
104 views
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Error while performing pip Install

I'm a Python beginner.I would appreciate it if you could let me know how to deal with the error when I run pip installation from cmd.environmentWindows 10Python 3.7.3pip19.0.3Error (run pip install re...

2 years ago

1 answers
93 views
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Regarding Permission denied when loading images

I'm a python beginner.I created the following .py to tweet the image.#!/usr/bin/env python# coding —utf-8import jsonfrom requests_oauthlib import OAuth1 SessionCK='#ConsumerKey'#ConsumerKeyCS='#Consum...

2 years ago

1 answers
63 views
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I want to take out a 12-digit string that contains a number as well as a number after a particular character in the regular expression.

import requestsimport reimport pandas aspdfrom bs4 import BeautifulSoupresponse=requests.get(https://db.netkeiba.com/horse/2012104511/)response.encoding=response.apparent_encodinghtml=response.textsou...


1 answers
105 views
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Understanding How to Open Files in Python

I have a question about how to open the file in python.I checked the actual file, but I found it on jupyter-notebook.import matplotlib.pyplot as pltimport numpy as npimport pandas aspdpath='ch02/usago...


1 answers
104 views
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invalid character identifier when reading csv file in pandas

I want to load the population data csv file downloaded from resas into pandas, but The following error message occurred: df File <ipython-input-13-5abd 90abec 15>, line 4 df=pd.read_csv(url, enc...

2 years ago

1 answers
34 views
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I want to do an exact match

I'm a beginner.I want to get a string in the line where the text file (a.txt) exactly matches the string.a.txt1,ringo,2502,banana,1003,mikan,150If the string is ringo, I want to get the last 250.

2 years ago

1 answers
41 views
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I want to move files that match the criteria in re.search to a different directory.

I would like to move only the image with the name 1536_496 in the file name from one directory to another.I tried writing the code, but I got the following error.Could you advise me how to eliminate t...

2 years ago

1 answers
77 views
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font.family:Error in

I'm a beginner.I want to solve the problem of using matplotlib to create graphs in jupyter notebook, so I am working on a mac using this site as a reference. font.family:Hiragino SansEven if you type ...


1 answers
53 views
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Code for evaluating the importance of random forests for each segmentation of stratified k-division cross-validation in Python

In Python, I would like to write a code that evaluates the importance of a random forest for each segment of the stratified five-part cross-validation.I'd like to find the importance of random forest ...

2 years ago
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