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
18 views
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Print Python results to new text

For example, if the Python output reads [Company Name, Name, Address, Phone Number, Fax, how do I enter it in a new text file?

2 years ago

2 answers
18 views
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How do I get a return value from the Python multi-threaded method?

I understand that threads generate multiple methods by threading, and it's almost like parallel processing, but what should I do if I want the return value of the method?Ideally, I wish I could add al...

2 years ago

1 answers
19 views
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Understanding Python Range Functions

#coding:utf-8import Image as imgimport numpy as npimport matplotlib.pyplot aspltimg=np.array(img.open(a.png))width=img.shape[0]height=img.shape[1]for i in range (height+1): for jin range (width+1): i...

2 years ago

1 answers
73 views
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Code using sklearn cannot be executed in PyCharm

By executing code similar to the following in PyCharmfrom sklearn import svmxor_data = [P,Q,result[0, 0, 0],[0, 1, 1],[1, 0, 1],[1, 1, 0]]data = [ ]label = [ ]for row in xor_data:p=row[0]q = row[1]r=r...


2 answers
19 views
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Compare one-dimensional lists in Python and delete the same elements

I would like to exclude elements in li2 from li.I try to say li=[4], but li=[2,4].Thank you for your cooperation. li = [1,2,3,4]li2 = [1,2,3]for i in li: if i in li2: li.remove(i)print(li)

2 years ago

1 answers
44 views
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Information About DataFrame Combinations

How to combine rows with different row indexes.Please let me know what I should do in the following cases.DatDataFrame1Multiple date data and features (2001~)↓②Convert DataFrame1 to matrixTo use sciki...

2 years ago

1 answers
40 views
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Missing error "TypeError: Tensors...that don't all match" in python 3

Traceback (most recent call last): File/Users/oshikawaakinobu/anaconda3/lib/python 3.6/site-packages/tensorflow/python/framework/op_def_library.py, line458, in_apply_op_helper raiseTypeError()#All typ...

2 years ago

3 answers
18 views
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I would like to run the QProgressDialog on the Pyside on a different thread.

As stated in the title, I want to run QProgressDialog on a different thread, but I am having trouble because it is not stable.I'd like to have the dialog not stiffen while performing heavy third-party...

2 years ago

1 answers
43 views
0
Clean up CSV data in Python

Hi, nice to meet you.I'm a beginner, but I appreciate your cooperation.Suppose you read a CSV file similar to the one shown on the left.Column A represents a person, and a, b in column B represents he...

2 years ago

3 answers
17 views
0
Understanding the Code for Reverse String Listing

list1=[ ]list2 = [ ]for c in iterable: list1.append(c)whilelen(list1)>0: j=-1# This and d = list1.pop(j) j+=1#I don't need this. list2.append(d)print(list2)The string was reversed by the code.①Can ...

2 years ago
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