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
91 views
0
can't plot in three dimensions

If you try to plot a random point into 3D, an error is spewed out and cannot be resolved.Here's the code: xs=[]ys = [ ]zs = [ ]for_in range(3): x = np.random.randn(1) y=np.random.randn(1) z=np.random...

2 years ago

2 answers
31 views
0
Description of dictionary return values

I don't understand the meaning of the return value statement below.return {k:v for k, vin balance.items() if isinstance(v,str) and float(v)}Based on the list description, I thought it was the same ex...

2 years ago

1 answers
91 views
0
I would like to send an email via sendgrid from Python on top of Bluemix.

#!/usr/bin/env python#! coding:UTF-8import urllib2import base64import zlibimport jsonimport sysimport sslimport datetimeimport sendgridimport sqlalchemyfrom sqlalchemy import*import ibm_db_sa.ibm_db_s...

2 years ago

1 answers
45 views
0
I want to extract Python DataFrame

I would like to extract DataFrame.A1 B1 C1A1 B1 C1A2 B2 C2A2B2C3A3B3C4A3B3C4A3B3C5I would like to leave all three columns of data like the one above and remove the duplicates.(I don't want to leave co...

2 years ago

1 answers
44 views
0
Error in jpandas cannot import name 'PY3' from 'pandas.compat'

When I try to import jpandas, I get the following error:I don't know how to deal with it at all, so could someone help me?ImportError Traceback (most recent call last)<ipython-input-11-70c197f683a2...

2 years ago

1 answers
103 views
0
How to Specify Conditions in ListFile with Pydrive

I would like to list only the files that I use in Python and that I am the owner (creator) of in ListFile().drive.ListFile({'q':'title=file1'}.GetList()I was able to search by title or ID in , but I d...


1 answers
87 views
0
cupy.cuda.memory.OutOfMemoryError: out of memory to allocate

There is an error as per the title. python gpucuda cudnn chainPlease tell me the countermeasures.Due to the program configuration, I run del and process images, but I can't reduce the image size, redu...

2 years ago

1 answers
163 views
0
multiply multiple matrices simultaneously

Python I would like to multiply multiple matrices simultaneously with numpy or pytorch without using a for loop.For example, suppose you have five different matrices of 10x100 and one matrix of 100x10...

2 years ago

1 answers
42 views
0
AttributeError:module 'pandas' has no attribute 'read_csv' troubleshooting

The following error will appear:Traceback (most recent call last): File , line 7, in <module> df=pd.read_csv(u'Nihon Keizai Average_2014.csv', encoding='shift-jis')AttributeError: module 'pandas...

2 years ago

1 answers
110 views
0
Python 3 installation fails in pyenv

macOS High Sierra 10.13.2.pyenv install 3.6.4The following error occurs:BUILD FAILED (OS X 10.13.2 using python-build 20160602)Inspector clean up the working tree at /var/folder/66/rr7sz_v92mbcdzrw1yj...

2 years ago
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