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
64 views
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I'd like to operate QcomboBox as an IF statement.

For example, if there is Naver and Daum in QcomboBox, if comboBox.currentText() = 'Naver' driver = uc.Chrome() url = 'http://naver.com' driver.get(url) if comboBox.currentText() = 'Next' driver ...

2 years ago

1 answers
100 views
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Python Dictionary Split Questions

Hello!Movie_data.txt is filled with data such as movie name, company, release date, etc., and I called this notepad and separated it by '|' and saved it in a dictionary called mydict.mydict = {}fp=ope...

2 years ago

1 answers
17 views
0
Find the expression of the annual fraction of the Python ignition equation, sqrt (2)

I'd like to write a code to get the circled a0, a1, a2... and a50.i=0for i in range(51): j=i+1 xj=1/(xi-ai) aj=int(xi) print (aj)I thought we could do it roughly like this, but it's not possible.Mast...

2 years ago

1 answers
142 views
0
Python Swap

a = 100b = 200print(before 'swap: a = ', a, 'b = ', b)temp = aa = bb = tempprint (after 'swap: a = ', a, 'b = ', b)'''Result------------------------------------------------------------------------Befo...

2 years ago

1 answers
54 views
0
Kyobo Bookstore review crawl is not available.

I'd like to get a list of Naver bestsellers (yes24) and go to the Kyobo Bookstore page of the book and get a Clover review (one-line review) from the page It's not working. Only the annotated parts do...

2 years ago

1 answers
66 views
0
I want to collect Python crawling results into a data frame and save them as an Excel file with to_csv

while True: print(Getting page {}....format(page)) params[page] = page data = requests.post(url, json=params).json() # # uncomment to see all data: # # print(json.dumps(data, indent=4)) if not d...

2 years ago

1 answers
25 views
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Python 3D range setting question

Hello, I'm a student studying PythonI have a question about setting the Python 3D range.For example, you want to set a three-dimensional range using a for statement.When the default value of xyz coord...

2 years ago

1 answers
61 views
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Count the number of non-NaN values in Python Pandas data frames + some conditions

I want to get the total number of values for each column except NaN in the order of df to dd index. If the previous df value is NaN, I want it to be counted without that row.The hardcoded ones are as ...

2 years ago

2 answers
44 views
0
Create a new column that is the sum of the previous three values in the pandas data frame

Calculate the top three cumulative values from data in DF format Data Result expressionA 1 0 B 2 0 C 3 0 D 4 6 A+B+CE 5 9 B+C+DF 6 12 C+D+EG 7 15 D+E+FH 8 18 E+F+GI 9 21 F+G+HAs above, I want...

2 years ago

1 answers
53 views
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Python math module questions

import math as m#1, Result value: 1.0print(m.sin(m.pi/2))#2, result value -2.4492935982947064e-16print(m.tan(m.pi*2))If you do it like number 1, you will get the exact value of sin/2/2.But I wonder wh...

2 years ago
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