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Tag: python

Check same value in multiple lists [python]

I’ve 5 lists with some Infos saved in like: What i’d like do is check them and create a table like that’s: I’ve no worries to import a new library like pandas or others. I tried to use some nested For loop to check if there’s double values in each list and if was true, add it, bu…

Pandas groupby filter only last two rows

I am working on pandas manipulation and want to select only the last two rows for each column “B”. How to do without reset_index and filter (do inside groupby) My attempt Required output Answer Try: Output:

How would I define a function for this? [Noob question]

I´m working on creating a list for a game I play with my friends where words get added x times to that list. Currently, I´m using the same three lines of code 5 times and I´d like to instead just call up a predefined funtion 5 times. is that possible? (I only translated the first line) Any help or pointing

Python add missing element into list

I have a list with day of a month as key and i want to add all missing day with 0 as value. This is a sample : And I looking for something like this : What is the better way to did it. This is my code : Answer You could simply make a run with numbers varying from

Optimal way to use multiprocessing for many files

So I have a large list of files that need to be processed into CSVs. Each file itself is quite large, and each line is a string. Each line of the files could represent one of three types of data, each of which is processed a bit differently. My current solution looks like the following: I iterate through the …

Plotly graph is displaying as empty

I have a dataframe with the columns where data about number of users per certain cars in several weeks is shown. I made a pivot table and i’m trying to build a plot with the pivot table in plotly I get no errors but the graph shows no lines. The x-axis and the line names are correct but the values

Loading an object across multiple files

I’m making a game in Python, and I have an object to store all of the user’s preferences in, referred to as gameSettings. When running functions in a seperate file (functions.py) I have to create a new local gameSettings var in every single function in the file. This also means I have to run the g…

PySpark – Selecting all rows within each group

I have a dataframe similar to below. From the above dataframe, I would like to keep all rows upto the most recent sale relative to the date. So essentially, I will only have unique date for each row. In the case of above example, output would look like: Can you please guide on how can I go to this result?