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
140 views
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Error in clustering images using scikit-learn/k-means

There is a program that uses SURF to extract feature quantities from jpg image files in a directory, group all SURFs using the k-means method to find visual word, and use it to make a list of local fe...

2 years ago

3 answers
27 views
0
Is there a way to specify a method that calls only from within the class?

I am using Python 3.4.3.While I was building my module, I cut out the common processing of the class's instance methods to make them other instance methods, but I want to make sure that the latter ins...

2 years ago

1 answers
88 views
0
SDK for milkcocoa for python cannot be installed.

I wanted to transfer the sensor data attached to Raspberry pi3 to milkcocoa.I tried to install python SDK as below, but I got an error.Please tell me how to resolve it.https://github.com/milk-cocoa/py...


2 answers
147 views
0
I want Scipy to generate a random sparse matrix with a uniform distribution of nonzero elements from -1.0 to 1.0.

Scipy has a uniform distribution of nonzero elements from -1.0 to 1.0, and I want to generate a random sparse matrix.Simply use Scipy's landscipy.sparse.rand(m,n) because the element has a uniform dis...

2 years ago

1 answers
44 views
0
How to read html using selenium in python

http://www.amazon.co.jp/gp/bestsellers/gift-cards/ref=zg_bs_nav_0I am thinking of obtaining the ranking of the products from the above sites. from selenium import webdriverfrom bs4 import BeautifulSou...

2 years ago

3 answers
145 views
0
How to Replace with a Variable When Using sqlite3 in Python

I am trying to store the database in sqlite3 using python, but I tried to store additional data in sqlite3 with date, but I can't do it well because of a syntax error.Please tell me how to improve it....

2 years ago

1 answers
44 views
0
Python 3 tqdm Defects

>>import tqdm>>> from tqdm import tqdm>>import time>> for intqdm (range(100)): time.sleep(1)Doing this 0% | | 0/100 [00:00<?,?it/s] 1% | 1 | 1/100 [00:01<01:40, 1.02s/...

2 years ago

1 answers
62 views
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Recursive function of depth priority search does not work well in python3

Hello, this recursive function I made with python3 doesn't work well.def func(teleports_string): strings = [{n[0], n[1]} for n teleports_string.split(', ')] start = {'1'} def search(string, point, ...

2 years ago

2 answers
60 views
0
To convert three three-dimensional points into two-dimensional axes:

How do I perform coordinate transformation such that there are three 3D vectors A, B, and C, where AB is applied to the x-axis of the 2D space and AC is applied to the y-axis of the 2D space?As an ama...

2 years ago

1 answers
45 views
0
I would like to output a spectrogram that can be drawn with pylab as data.

from pylab import*# shortpxx, freqs, bins, im=specgram(data,NFFT=N,Fs=wf.getframerate(), noverlap=0, window=hammingWindow)axis([0, length, 0, wf.getframerate()/2])show()I can make a spectrogram with a...

2 years ago
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