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
52 views
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Could not broadcast is displayed

I'd like to set up a diagnostic imaging program, but I get the following error.I'm using google collateral and I'm trying to upload some of them from kaggle's Chest X-Ray Images (Pneumonia) dataset to...

2 years ago

1 answers
56 views
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I want to use regular expressions to get nofollow.

I would like to extract only the ones with rel=nofollow on the outgoing link of example.com from various URLs using beatifulsoup.I've only used VBA, so I think it's like this, but I'd appreciate it if...


1 answers
86 views
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Image distortion correction with Python OpenCV

I would like to correct the distortion of the image with Python's OpenCV, but from the chessboard taken with the following code.I understand that the distortion coefficient is calculated, but how shou...

2 years ago

3 answers
51 views
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In Numpy, we want to generate an n-dimensional random vector under the constraint that the sum of the number of elements is N.

I would like to create an n-dimensional random vector v with Numpy.I want the sum of the elements of the vector to be N.For example, If n=4 and N=1, v=np.array([0.1, 0.3, 0.2, 0.4])Or If n=6 and N=3, ...

2 years ago

1 answers
110 views
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I want to match the sentences that have been broken in Excel cells with regular expressions.

I'm sorry to ask you about May rain.We are trying to create a program that determines whether each cell in Excel has a . at the end or not.If the sentence is not a new line in the cell, we were able t...


1 answers
31 views
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If you add a type annotation, you can instantiate it even if you can't initialize it with _init__.

The timing of the error will change depending on the type annotation.Defines classes that do not initialize by declaring variables.Test 2 only provides type annotations.class Test1: def__init__(self):...

2 years ago

1 answers
90 views
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Package pymc3 version display in Google Colab does not match

!pip listWhen I checked the version of pymc3 in , it says 3.8 but import pimc3 as pmprint(pm.__version__)If so, the output will be 3.7.How can I install it in 3.8?


1 answers
33 views
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I want to plot the learning rate and loss in the chain.

I just implemented NN using mnist data.At that time I'd like to plot a learning curve like this one here, but I don't know how to do itThere seems to be in the extension of the chain, but I don't know...

2 years ago

1 answers
89 views
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RuntimeError: The session is unavailable because no secret key was set.

Creating an application with Flask.RuntimeError: The session is unavailable because no secret key was set.Set the secret_key on the application to something unique and secret.said the error.Why do the...

2 years ago

1 answers
74 views
0
count by number from the same number

Inside the CHR, it looks like 1 1 1 1 1 1 2 2 2 ... 22 22 X X ... Y ... MT MT MT .I'd like to count the number by number.I don't know what to do because there are letters as well as numbers.import sys...

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