Форум Python: Вопросы и Ответы

#проект

#работа

#книга

#урок

#debug

#jupyter

#venv

#pip

#оптимизация

#интервью

#продвинутый

#новичок

#игра

#автоматизация

#базы_данных

#ии

#парсинг

#боты

#веб

#asyncio

#tkinter

#requests

#matplotlib

#pandas

#numpy

#flask

#django

#python3

#python2

#совет

#обсуждение

#пример

#ошибка

#помощь

#вопрос

#python

#метакласс

#асинхронность

#многопроцессорность

#многопоточность

#контекстный_менеджер

#assert

#logging

#исключение

#try_except

#итератор

#генератор

#строка

#кортеж

#множество

#словарь

#список

#полиморфизм

#инкапсуляция

#метод

#ооп

#декоратор

#lambda

#рекурсия

#функция

#match_case

#тернарный

#break_continue

#Циклы

#Условия

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос, python3, pip, работа

Python how to derive the result (it works in the console, but not in Pycharm)

When starting in the console, everything works, everything disperses, & GT; python3

question@mail.ru · 0000-00-00 00:00:00 · python, ошибка, проект

Importerror: Attempted Relative Import with No Known Parent Package Python

I have such a project structure --- Package1/code.py --- paccage2/ext.py how to import me variable from Ext.PY to Code.Py? from ext import var - it does not work, say...

question@mail.ru · 0000-00-00 00:00:00 · python, помощь, ии

How to imagine Float in the form of Integer without loss of information?

There is a task of transforming float in the values of the type int (one float value in one int value) without loss of information, i.e., then the reverse transformation...

question@mail.ru · 0000-00-00 00:00:00 · python

Typeerror: Object of type is not json serializable

I am trying to record a Person class object like this: def postusertojson ( user ): filiname = str (user.fullname) + "" "" + +

question@mail.ru · 0000-00-00 00:00:00 · вопрос, ии

Code execution when importing a module in Python is a bad practice?

Several times I met the mention that the fulfillment of the code when importing module is poor practice. At the same time, I could not find explanations to this statement anywhere...

question@mail.ru · 0000-00-00 00:00:00 · пример, ии, новичок, проект

The use of recursion is more than 1000 times

I am a beginner in programming on Python (my 1 programming language). He solved the problem No. 12 from the Euler project. I used a recursion in functions, but unfortunately, to s...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос, пример, ии, работа

Coding of the text into an arbitrary binary code and vice versa. Example: "A" <-> "01100011"

I need to convert the line, for example "A" ", into a line of binary code, for example " "01100011" ", then process a slightly binary code, passing it according to the function" ...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос, ошибка, пример, ии

The numerical solution of the thermal conductivity problem

It is necessary to solve the problem of thermal conductivity on the segment The solution used an explicit schemeN = 10> # maximum number of steps in x# boundary coditionsux_0 = 1 #...

question@mail.ru · 0000-00-00 00:00:00 · список, python, вопрос

Comparison of 2 lists in Python

Hello, there are two lists anti = [ 'Red' , '"blue' , 'green' , 'White' ] word = [ '' red ', 'White' ] you need to compare two lists and the matching elements to bri...

question@mail.ru · 0000-00-00 00:00:00 · python, пример

The number of repeated elements in the list

There is an array in which a bunch of repeated elements. I need to derive the contents of a particular element of this array and how many of the same elements in it (derive the fi...

question@mail.ru · 0000-00-00 00:00:00 · python, пример, django, боты

Why are the lines with Fuzzy in Django.po are not transferred?

I update the Django.po file in this way: $ python manage.py makemessage $ python manage.py CompileMessages -l ru After that, part of the lines in Django.po are marked as F...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос, numpy, ии

Quick methods of finding all simple numbers less than n

What are the most rapidly finding algorithms of all simple numbers less than all known: and what are the quick implementations on Python, Numpy, etc.)? de ...

question@mail.ru · 0000-00-00 00:00:00 · python, ошибка

What values can be dictionary keys?

The documentation says that only unchanged data types can be keys. Why in this case there is no error? class test : pass t = test () print ({t: 1 })

question@mail.ru · 0000-00-00 00:00:00 · ооп, метод, инкапсуляция, python, совет, ии, урок

When to use classes (OOP)?

I study/program on Python for a year, but I still can’t understand when to use the classes. Reading books and watching video lessons, I am aware of things such as encapsulation ...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос

Python Skripte?

The computer science teacher said that he is script. Is it so? He is kind of compiled. I'm 15, I'm not a Senior developer, so the question is stupid. I don’t even write on Python....

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос, помощь, пример, боты, ии

How to search for an object on the image using a full -bearing neural network

Hello, the task of finding an object using a full -bearing neural network is worthwhile using Keras, Theano, in Python. At the moment, this is the following network configuration:...

question@mail.ru · 0000-00-00 00:00:00 · пример

Search for tuning in a line

You need to find in the line: whether this line includes in the line or not. For example, there is a string sdfssf sddff svvsef XBSDF SDFWWWWW you need to find out if it is incl...

question@mail.ru · 0000-00-00 00:00:00 · пример

Search for tuning in a line

You need to find in the line: whether this line includes in the line or not. For example, there is a string sdfssf sddff svvsef XBSDF SDFWWWWW you need to find out if it is incl...

question@mail.ru · 0000-00-00 00:00:00 · lambda, python, пример, ии

Why do you need Lambda functions?

Studying the python , I came across lambda -functions. But nowhere I have not found an example of where they are really - only elementary examples of the species printa (lamb...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос

Hiding the login and password in the Python code

How can you encrypt a login with a password in the code itself? Well, or in any other way, to make it possible to get them to other people, since the code itself should be open an...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос

Hiding the login and password in the Python code

How can you encrypt a login with a password in the code itself? Well, or in any other way, to make it possible to get them to other people, since the code itself should be open an...

question@mail.ru · 0000-00-00 00:00:00 · python

Coding problem when writing to the file: Unicodeencodeerror: 'Charmap' Codec Canat Encode Character '\ U039a'

It is required to pair vk according to the specified parameters and write the result to the file on the python 3.5. Search_Result = " API.USERS.SEARCH (sort = sort_index, se...

question@mail.ru · 0000-00-00 00:00:00 · python

How to break the number into categories

There is a number of 1234567 .

question@mail.ru · 0000-00-00 00:00:00 · python

How to break the number into categories

There is a number of 1234567 .

question@mail.ru · 0000-00-00 00:00:00 · python, django

How to change the language to the user on the Django website?

I am the opportunity to switch between the Russian, English and Ukrainian version on the site. He wrapped the lines in the templates that must be translated into the { % Trans %}...

question@mail.ru · 0000-00-00 00:00:00 · python

How to check the number for parity?

I understand what must be divided into 2 and look at the remainder. Here's what I tried to do. IF ( not line% 2 2 ): print 'chek true'

question@mail.ru · 0000-00-00 00:00:00 · список

Can I get a list of all chat participants in Telegram?

Tell me, please, can you somehow get a list of all participants in a certain chat in Telegram? Interested in precisely "useame" users.

question@mail.ru · 0000-00-00 00:00:00 · метод, python, пример, requests, ии

How to get user comments left in a particular community in VK

How to get all the comments of a particular user left on the wall under posts in a particular community in VK? I examined all the methods that exist in the VK API and have not ...

question@mail.ru · 0000-00-00 00:00:00 · python, новичок

Using Global in Python

Hello, I meet Python and after C ++ I categorically do not understand the principle of using Global variables. If you indicate Global in the variable in Def, whether it can be use...

question@mail.ru · 0000-00-00 00:00:00 · python, ии

Python alphabet

Is it possible to somehow increase the symbol of the Latin alphabet? You need to go through the alphabet in Python, or by the number to receive any specific symbol, are there such...

question@mail.ru · 0000-00-00 00:00:00 · функция, пример

How to remove all spaces from a line in Python?

I wentogled the f`s strip () , but it removes only the first and last gap, but I need everything. For example, if a = 'sd dfsdf dfsfs' , then you need to get a = 'SDDFSDFDFSFS'...

question@mail.ru · 0000-00-00 00:00:00 · список

Break the elements of the list

Hello! Tell me, please, how can you break the catch list ['1', '22', '333'] by symbols, i.e. To get a list of ['1', '2', '2', '3', '3', '3'] thanks in advance!

question@mail.ru · 0000-00-00 00:00:00 · python, ии

Fixed number of signs after aim in Python

Is there an analogue of the function & nbsp; toofixed () in JS? I need something like this: & gt; & gt; a = 12.3456789 & gt; & gt; & gt; a.tofixed ( 2 ) '' 12.35 ' ...

question@mail.ru · 0000-00-00 00:00:00 · список, python

List of lines to the list of numbers

a - List of lines: ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0'] for el

question@mail.ru · 0000-00-00 00:00:00 · python, python3

How to create a DEB package?

I am writing on Python3 under Ubuntu, I want to create a DEB package, tell me how, or where is there available information?

question@mail.ru · 0000-00-00 00:00:00 · python

What does it mean ... (Troetogo) in Python?

I saw the following design: class badtatus ( Exception ): ... What does it mean? Are there any differences from: class Badstatus ( Exception ): pass

question@mail.ru · 0000-00-00 00:00:00 · python, ии

How to remove the symbol of the new line (\ n) when reading the lines from the file

when using File.Readlines () we get something like this: & gt; & gt; & gt; file.readlines () [ '12 \ n' , '10 \ n' , '' 9 \ n ', '' 15 \ n ', ' '10 \ n' , '120' ] ...

question@mail.ru · 0000-00-00 00:00:00 · python, вопрос

How to write in Stdout and a file at the same time?

There is a Python script: import syssys.studout = open ( 'my_log.log' , 'w' ) print 'test' he writes the entire standard output to the file. Question: How can I...

question@mail.ru · 0000-00-00 00:00:00 · python, ошибка, пример

How to remove a meaning from a dictionary during a cycle for

I somehow suddenly ran into such a problem. During the & nbsp; for I need to remove the records from it, but how can I tu out the error: Runtimeroror: Dictionary CHANGED SIZ...

question@mail.ru · 0000-00-00 00:00:00 · помощь, python3, django, ии, проект

Unicodeedecodeerror when starting a new Django project on Windows

I create a new project on Django using Pycharm. I do not change anything. When starting the project, the error knocks out: "" C: \ Program Files (x86) \ Jetbrains \ Pycharm 5...