Consider some 2d lists: How to check if there is at least one None in a 2d list? Outputs: deal with a should output a bool value False, and b should output True. I have no ideas when the list be a 2d list. Answer You can use two loops, one inside the other. This can be simplified by using
Tag: python
Why list([]) weighs less than []
I have such code: With the next result: The question is: Why does a list created with list([]) weigh less than a list created with just [] or for _ in condition? Answer (The details in this answer depend on the implementation, they are written to match CPython 3.10.0. Other versions or other implementations o…
Grouped pandas dataframe from nested list
I have a nested list in this format mydata=[[01/01/20,[‘point1′,’point2’,’point3,…]],[02/01/20,[‘point1′,’point2′,’point3’]],…] I want to create a pandas dataframe grouped by date with every point as a different row. I have tried ma…
FastAPI does not replace “+” plus symbol in GET request
I understand this is not a FastAPI issue, but how to avoid this using FastAPI? For example: Issuing the following request: returns: Answer The plus sign (+) has a semantic meaning in the query string, i.e., representing the space character. Similarly, the ampersand sign (&), which is used to separate the …
Automatically edit last Telegram bot message after expiration period
I’m trying to figure out how I can set an “expiration timer” on a message sent by a Telegram bot, containing a few buttons. Long story short, there’s a function which selects a random picture from a folder, then sends it to a group, and in a separate message it sends an InlineKeyboard …
Selenium problem with ElementClickInterceptedException
I am trying to scraping in this URL, dealing with a Download button and I am having a problem, as the last line gives a ElementClickInterceptedException. My actual goal is to download the CSV file. The code: enter image description here Answer Element you trying to click in initially out of the visible viewpo…
Key compination at pygame
I’m using this python code https://gist.github.com/seankmartin/f660eff4787b586f94d5f678932bcd27#file-keyboardpress-py to get time for keyboard events. It’s working well, but I need to get KEYDOWN and KEYUP also for capital letters and exclamation point. So I modified it by adding to this part So n…
How to create a search function of a list with multiple organized elements?
I’m trying to create a function with two inputs (number, people) whereas it searches from a list with multiple organized elements for the correct number and outputs the correct information (which the output is named: user). Here’s the list: The number request (not a user-input): Desired output: Th…
FASTAPI SQLAlchemy Creating a table during run time based on user input
The user will be providing some information such as table_x with column_x. And I’d like to create these tables in an existing database or a new database based on the user’s value. These values will be provided during run-time therefore I cannot create the Model beforehand. If anyone could provide …
pyinstaller does not support importing kivy screen with exec
I have a kivymd app designed using the lazy loading method (all the screens and their kv files are placed in different folders so that they can be called when the user needs them using exec and eval, something similar to these projects kitchensink and kivy-lazy-loading-template). that works very well in pycha…