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, ии

How to calculate the amount of 1! +2! +3!+...+N!

Condition of the problem: for this natural n calculate the amount of 1! +2! +2!+...+n!. In solving this problem, only one cycle can be used. It is forbidden to use the mathem...

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

Why is the global variable inaccessible from the function?

Please tell me why the function does not display the value of s S = "" I'M Global Variable "" def foo (): print (s) r = '' reset global Variable ' foo () I ass...

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

The period of decimal fraction

Task: Two integers are presented to the function of the function (int (a), int (b)) . You need to retu the private a/b , and the repeated numbers (period) need to be taken into b...

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

Determination of the floor by name

Tell me, please, the algorithm for determining the floor by name. Maybe there are any solutions on the python? I tried: 1-to the ends; 2-С Pymorphy broke up the name of the word a...

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

Remove the lines in Dataframe satisfying the condition

How to remove the lines in Pandas Dataframe, in which the values in the column stp == 1005092 Details: I am engaged in data processing in jupyter Notebook : normal dis...

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

How to make a console calculator on Python?

I want to make a calculator on Python. When I look on the Inteet how to make a calculator on Python, I come across a type of calculators, enter the first, enter the second operato...

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

Generation of the random line

I am interested in how to generate a line of the type SA32ASF7W1 using the Random library in Python. The first 4 characters are a random set of letters and numbers, from 6 to 10...

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

Selection of the last by the date of the file from the catalog

I study python , trying to write a script that takes a file that was created from a certain folder that was created late others. How to do this?

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

Study of OOP in Python [duplicate]

(1 & nbsp; answer) closed 5 years Back . friends, please tell me why it is better to start studying the OOP in Python-E.

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

You need to find out the IP address of your computer on the Inteet in Python

In the documentation, I found Socket.gethostbyName (Socket.gethostname ()) . But I have a mistake. The gethostbyname does not work, I don't know why. Python version 3.2. Tell m...

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

How to check if all elements are the same in the list?

n = inte ( input ()) sp = [] for _ in range (n): sp.Append ( int ( input ())) how to check if all the numbers are the same in this list?

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

Removing empty elements of the Python list

Sorry for the stupid question, but how to remove empty elements from the list in the Pieton?

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

Replacement in the line of double space for a single

I have a line: str = 'a l a m a k o t a ' as can be seen in the line, between the letters of the same word I have one gap, between the words two. Class = ""> 'Ala ma ko...

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

Python when should I use ASYNC, and when is AWAIT?

when should I use ASYNC, and when AWAIT?

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

Django Solr (Filter) - a falling list for objects, how to implement? or adapt

There is such a list of objects displayed by the value of the attributes of goods. the values of the attributes of goods that are interconnected - should be in the form of a ...

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

Using __init__.py in mode code

Do I need to add a file __ init __. Py to the directory from which you are going to import modules? Or is it enough to use implicit namespace packages?

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

Drop -down list in Django

I am writing a simple online store on django 1.9 . The following models are available: tovar/models.py 25 , BLANK = false , null = true ) code = models.charfield (Ve...

question@mail.ru · 0000-00-00 00:00:00 · python, ошибка, python2, ии

Coding problem when recording in SQLite3

I write in Windows 7 on Python 2.7.10. #-*-coding: utf-8-*- conn = conn = connn = db.connect ( 'main.db' ) #conn.text_Factory = str c = conn.cursor () c.execte ( 'Pragma Enc...

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

How to encrypt the RSA method by your key?

How to encrypt the RSA method with your key? import rsa (PUBKEY, PRIVKEY) = rsa.newkeys ( 512 ) message = b'hello world! ' # encryption crypto = RSA.ENCRYPT (Message, Pub...

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

Python Electronic signature

Hello everyone. Help me deal with the question. Consider such a case, my program has users and I will send files, the user's program reads this data. I want to check the data from...

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

Python. Asyncio. Asynchronous reading and recording file

python. Asyncio. Asynchronous reading and recording of the file

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

Calling C ++ Functions from Python

there is a Python script having the path to the file, you need to open this file in C/C ++ functions, carry out manipulations with it and retu the result in the Python script. ...

question@mail.ru · 0000-00-00 00:00:00 · python, ошибка, python3, requests, ии, pip

SSL errors of the protocol

when I use the most common requests.get() python issues ssl certificate errorsTraceback (most recent call last): File ""C:\Users\ADMIN\AppData\Local\Programs\Python\Python37\lib\si...

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

Python: Windows notification notification

How, using Python, send a notification to the Windows 10 notification center?

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

How to make syntax backlight in tkinter

I suspect that this issue is very complicated (well, or impossible). But I would like to know if it is possible to make a syntax backlight in a text widget?

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

Appeal to the function specified in __init__.py

When initializing the package in Python 2.7, I need to determine the functions that should be common to all modules of this package. I identified them in __ Init __. Py . How to ...

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

Several designers with different amounts of arguments

Is it possible to make several designers with different amounts of arguments in Python in one class? class a : def __ init __ ( self, b ): pass def __ Init __ ...

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

Python method that displays all copies of his class

How to create a method in Python, which will display all copies of the same class in which this method is defined?

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

A way out of several cycles

There is an input list, the elements of which consist of a certain text. It is necessary to check whether there are words from one list in the elements of the list from one list, ...

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

What does the Random_state parameter mean at Sklea.manifold.tsne and other Scikit-Lea classes?

Put 3 different values random_state , this: (None, 0, 1) . I did not understand what the essence of this method is. I read the documentation, the answer on the site, but I ...

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

Deet bot on the Heroku server

Can someone give instructions on how to expand the bot on the Heroku server (written on python )? Thanks in advance.

question@mail.ru · 0000-00-00 00:00:00 · помощь, numpy, pandas, matplotlib, pip

Download Python packages for offline installation

I have restrictions at work and if I download packages using the PIP command through the command line, then the security service blocks everything from the Inteet. Therefore, I ne...

question@mail.ru · 0000-00-00 00:00:00 · python, matplotlib, pip, jupyter

How to animize the schedule?

Tell me, is it possible to draw animated graphs in Jupyter, such as the processor loading schedule in real time? I'm trying to monitor the server response time to the ping. I deal...

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

How does the code work [I for i in Range (51) if I % 2 == 0]?

Evens_to_50 = [I for i in range ( 51 ) if i % 2 == 0 ] Print Evens_to_50 This code generates a list of even numbers up to fifty. But I, as new in programming, d...

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

How to make a temporary cycle correctly?

We need to make a cycle that will perform a function for a minute with an interval of 1 sec. What is the most effective way? I could not come up with anything better than this:...

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

How to tu a matrix (two -dimensional array) by 90 degrees using ZIP?

How to make a matrix tu in one line without Numpy and cycles? For example, if the original matrix: [ [ 3 , 1 ], [ 4 , 2 ]]

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

How to fix it? 'Ints Object is not Subscriptable

Here is the task: to generate 20 random integers in the range from -5 to 4, to write them down in the cells of the array. Count how many positive, negative and zero values among...

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

Removing the same elements in a sorted sheet (list)

For example, I have a sheet x = = a, a, a, f, h, k, k] . I need to do so that there would be only one a in this sheet and one k , i.e. Delete extra similar elements, do not to...

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

How to dynamically create a variable

How to dynamically create a variable, in the name of which the value of another variable can contain? For example, you need to create a variable as follows (pseudo-cod): Su...

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

How to choose one of the values with a certain probability?

Example. Katya received 10 points, and Kolya & mdash; 20 points. So in one case, Katya will win out of three, and in two of the three & mdash; Kolya. It is necessary to randoml...