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


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Python urlib.request.urlopen Timeout Error Why?

I tried to crawl the next news, but I got a timeout errorSo I typed the code one by one and looked for the error, and I got a timeout error in urlib.request.urlopen, but I don't know why it's showing ...


1 answers
46 views
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I want to modify the django form, what should I do?

Hi, how are you?I'm creating a login page and I'm trying to get a good bootstrap theme.I applied all the login pages that I originally created in the storeroom, but there is a problem with the form.Th...

2 years ago

2 answers
19 views
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Python Method Practice

It's a special method practice lecture. I wonder why None comes out and the weight figure is walk -0.1 Eat+0.1, and I also want to know the decimal point after that.I think I heard the last decimal po...

2 years ago

1 answers
62 views
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Let me ask you a question about the django frame

If you use django frames based on python backend language, I heard that you can develop the web easily and quicklyI've been practicing it on YouTube, and I don't know if it's because I'm a non-majorSo...

2 years ago

1 answers
140 views
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To receive input from Python as an integer

Why can't the code below receive the input value as an integer? From what I looked up, it is correct to use raw_input() but from Python 3.x, raw_input() has changed to input().play = Truewhile play: x...


1 answers
73 views
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Help me crawl with Scrappy

<span class=fnt_e07 lang=en>I <i class=fnt_e08 N=a:smd.words tabindex=0 lang=en><input type=hidden name=assist value=don lang=en>don</i>'t <i class=fnt_e08 N=a:smd.words tab...

2 years ago

1 answers
18 views
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When a function of a class is written as a property in Python, is it possible to throw an error when calling a function (setter) that does not exist?

Python has written the following code: class Test: def __init__(self): self.hello = 0 @property def test(self): return self.hello @test.setter det test(self, hello): self.hello = helloif __name__ =...

2 years ago

1 answers
92 views
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To reference a variable

It seems that the Python document does not clearly state whether variables are passed by reference or by value when they are passed by parameters. When you turn the code below, the variable value does...


1 answers
123 views
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Generating a PNG with matplotlib when DISPLAY is undefined

You are about to use NetworkX on Python. This error occurs when you run the program below. Is there anything I missed?#!/usr/bin/env pythonimport networkx as nximport matplotlibimport matplotlib.pyplo...

2 years ago

1 answers
137 views
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Why is 'a == b or d' always true?

I'm working on a security system that prevents access from unauthorized users.import sysprint(Hello. Please enter your name:)name = sys.stdin.readline().strip()if name == Kevin or Jon or Inbar: print(...

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