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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Print() function will print like \xe3\x81\x82~

I'm writing a book for beginners that shows the zodiac signs when you get older.year_str=input('Please enter the year of your birth in four digits:')year=int(year_str)number_of_eto=(year+8)%12print('Y...

2 years ago

1 answers
49 views
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Error in merging split and loaded files

I read the file separately to handle a huge csv file, but the subsequent merge results in an error.The following codeimport pandas as pdfname = '.../train.csv'reader=pd.read_csv(fname, chunksize=10000...

2 years ago

2 answers
33 views
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"Spectral noise elimination eliminates noise" for audio playback

Spectral noise elimination eliminates noisehttps://www.ai-shift.co.jp/techblog/1305After writing the audio data after separating the noise portion and the sound source from the site.I want to play the...

2 years ago

1 answers
42 views
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To auto-extract the minimum and maximum values of a date in Pandas

For the time series temperature data shown in the table below, 2000, 2001... and the average value for each year are calculated.If you know the start-end date, df['2000-01-04':'2000-12-27'].mean()df [...

2 years ago

1 answers
31 views
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How to make yacc

Hello I am interested in how to make yacc, but I am looking for the source code of the lalr(1) parser generator with Japanese explanations.Does anyone know the lalr(1) parser generator with Japanese e...

2 years ago

2 answers
34 views
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How to Correct AttributeError

How can I fix the error below? C:\UsersDesktop>python PrepareChain.py sample.txtTraceback (most recent call last): File PrepareChain.py, line 249, in<module> chain=PrepareChain(text) File Pre...

2 years ago

2 answers
72 views
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Why use np.random.randn as the initial value of the weight?

Question 1When I was studying Deep Learning from scratch and reading 182p, I couldn't understand why I had set the initial value of weight W to np.random.randn until now.So please tell me why np.rando...


1 answers
53 views
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Understanding Mathematical Optimization Algorithms for 0-1 Integer Secondary Planning Problems

I'm learning about algorithms related to mathematical optimization.It seems that the exact solution of the 0-1 integer secondary plan is solved by the branch limiting method.When I look into it, there...

2 years ago

2 answers
17 views
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How to write a Python-like program that shows the beginning of the input

I wrote in Python that the natural number N should be received by a means such as a command line argument, and only the first N line of input should be displayed, but for the time being, I could not d...

2 years ago

1 answers
89 views
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Device registration failed with spresense as zerynth stdio

I tried to register the device using an app called Zerinth Studio to run the Presense in Python.Zerynth automatically registers by clicking the register button.However, during registration, Can't find...

2 years ago
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