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
118 views
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There is a difference between the point of acquisition with pyautogui and the HSV value when reloading after saving the same image.

Regarding the title, I was at a standstill because I didn't know the cause.QuestionsIn Python, I have written a program to compare the following two HSV values.Convert images from pyautogui.screenshot...


1 answers
16 views
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I want to break off the list.

x = [ ]a = abcb = 3x.append(a,b)print(x)Results [(abc,3), (def.4)....]As the value of a.b changes like this, how can I keep it in ( ) as shown in the results?I'm sorry it's hard to understand, but ple...

2 years ago

2 answers
128 views
0
About web scraping using python, xpath

We use python, xpath to perform web scraping.The following sites are scraping:https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00100405&tstat=000001014549The purpose is to extract tags...

2 years ago

2 answers
115 views
0
a method of storing lambda functions in a dictionary using a for statement

because you want to keep multiple functions in dictionary format that have changed the definition little by little.I thought of the following python code. funcs={}for i in range (5): new_key='f'+str(i...

2 years ago

1 answers
20 views
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Calculating the Python Variable for in

The value of the variable a contains the value [1, 2, 3, 4, 5], which is divided by adding the value from the previous to the third. I would like to display the so-called average value (b), but it doe...

2 years ago

1 answers
95 views
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How to plot data in a csv file with python matplolib

First of all, regarding the contents of the csv file, it says x1,x2,1,y from the first column.(Actually 101 rows and 4 columns) x1, x2, 1, y-0.626,-0.620,1,0.2820.183,0.042,1,1.732-0.835,-0.910,1,-0.2...


1 answers
57 views
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AttributeError in sample('H').ohlc()

I wanted to resample in OHLC format on Python, so I wrote the following code, but it turned out to be AttributeError.Does anyone know what's wrong?The running environment is PythonScript in AzureML.So...

2 years ago

1 answers
36 views
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Error loading file in read: SyntaxError: invalid syntax

Python I'm a beginner studying.I am writing a program to download hundreds of megabytes to several gigabytes of data and MD5 from a web server with basic authentication for study and calculate its has...

2 years ago

1 answers
121 views
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Python manage.py migration error in ssh environment

Working in ssh virtual environment. (Migrate and make migration are done in the first environment outside of ssh.)python 3.6.8pip21.3.1You are using virtualenv.In postgresql, roles and databases are a...

2 years ago

1 answers
82 views
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vlines() in case of string index does not work well in pandas.plot

In pandas.Dataframe with string index, index (x axis) cannot be specified well when drawing vertical auxiliary lines.The pandas.Dataframe I want to plot is as follows.I have confirmed that the index i...

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