I had an interview recently and was asked to solve the following problem using Python: Write a function: such that, given an array A consisting of N integers, it returns the maximum among all one-digit integers. For example, given array A as follows: the function should return 1. Assume that: N is an integer …
How does Pygame know what is layer 1 (background) vs the sprites displayed on the screen?
My teacher was looking over my code today and wanted me to explain to him why I could use and pygame knew to make the bg.png file the background and the player/enemy.png in the foreground. I explained that maybe it was due to bg.png taking the HEIGHT and WIDTH arg therefore stretching the whole screen, but al…
Pandas return count of values and all the matching/associated values in another column
I have two columns in a pandas dataframe FeatureID, and Issue ID. There can be multiple issues for a feature. An IssueID is unique and never repeated. For example (actual data is 1500 rows so let’s say it’s as follows): IssueID FeatureID 5612 65002 5613 65401 5614 65002 5615 65002 5616 65401 5617 …
Discord Python Raspbian Error invalid syntax when running script
This is my first time writing in this platform. I got an error on my RPi when hosting a discord music bot using lavalink. Currently, my problem is that there’s a invalid syntax error on a line of code. The weird part is that I don’t get this error when I use VSCode on Windows 10. It also ran perfe…
Using Pandas-Profiling in AWS Glue
I am trying to use pandas profiling in AWS Glue. I downloaded the wheel file and used it in the Glue Library Path. BUt whenever I am trying to run a pandas profiling, module missing error is coming up(like multimethod, visions, networkx, pillow and more). What should I do? Answer Please make sure you’ve…
Changing margin on mplfinance plot when savefig
I have the following code which produces finance plot: But the image which it generated left a lot of space on all side, so i include the parameter tight_layout=True however now i a getting an image which looks like this: The title is inside the image. Could you advise how can i change the margin where the le…
Running a GNU parallel command using python subprocess
Here is a simple GNU parallel command that creates a file called “example_i.txt” inside an existing directory called “example_i”. It does this four times, for i from 1 to 4, with one job per core: Not very exciting, I know. The problem appears when I try to run this via python (v3.9) u…
Inherit choice class to extend it?
I have a field in my models.py that accepts choices determined in a class: The choice class is this: My doubt is how can I inherit this UserChoices class to another choice class, in order to extend it with another options. I tried the following: But it gives me a migration error: Obviously this example is sim…
Walrus operator in Python interpreter
When I use the walrus operator as below in the Python(3.9.6) interpreter, I get a syntax error: How is this different from the following? Answer It’s different because the Python core developers were very ambivalent about violating the Zen of Python guideline “There should be one– and prefer…
How to combine string from one column to another column at same index in pandas DataFrame?
I was doing a project in nlp. My input is: I need output like this: How can I achieve this? Answer You can use groupby+transform(‘max’) to replace the empty cells with the letter per group as the letters have precedence over space. The rest is a simple string concatenation per column: Used input: …