I need to find a way to add new terms to the function: f(x) = 4sin(x)/pi such that the new function looks like this: f(x) = 4sin(x)/pi + 4sin(3x)/3pi + 4sin(5x)/5pi + 4sin(7x)/7pi … up to 201. I was thinking I could create the function with a for loop inside that would iterate using a list n but there must
How to randomly choose a list out of 4 lists?
I have 3 lists, every time I want randomly pick any of the items. How can I do that? Answer You can use random.choice() Add your lists together and samples from the combined lists:
Python – How to clean time series data
I have a df which looks like this: I’m trying to create a new column called ‘First_Contract’: ‘First_Contract’ needs to take the third-last value of ‘Sep’ column, before ‘Sep’column reaches NaN. The subsequent values need to be filled with ‘Dec’ column values. Desired output: How do I go about to achieve this? Answer Let us do it step by step
why am I getting warning/error when working with tensorflow (use functional API and not implemented error)
I am trying to follow this tutorial but with my data: https://www.tensorflow.org/tutorials/structured_data/feature_columns All of my data is numerical values. when I ran this part of code: I am getting this type of warning for all of the parameters: I am getting this warning twice for each variable! and then I am getting this error: What is the problem and how
How to get text before carriage return
I’m loading the following JSON into my program: I want to extract the substring “apple foo text” with: But it only returns hello world. I know it is because of the carriage return statement, but I’m not sure how to to print the substring before. How would I get just the text before the statement? Any help would be appreciated.
How can I play song repeatedly using pygame.mixer.music.play()?
I have tried to repeat a song(mp3) using pygame module. The code is as follows from the site https://www.studytonight.com/tkinter/music-player-application-using-tkinter When calling this function, it comes out only one time, of course it’s natural. To repeat this sound file I added loop like this, but it plays just one time. How can I repeat many times over and over this? Should
My bot wont run the on_message/on_ready event properly
When i tried to start up my bot, it wouldnt run the on_message event and it wouldnt run the on_ready event either. Here is my code: I have tried to get rid of the on_message event to see if that was the problem, and it didnt fix it. Does anyone have a fix for this? Answer You are not actually
How can i split an Audio file into multiple audio wav files from folder
I have a folder where i have about 2000 audio files in wav format with different time intervals, say some are in 30 sec some 40 and i want to split all of them using python, i tried pydub and different libraries and all of them working for 1 file only, i want to split those using a loop with
Error whenever I run code that requires aiohttp library
Whenever I run code which requires aiohttp, I get the error below: Examples of codes I’ve tried to run from https://docs.aiohttp.org/en/stable/ include: and I’ve tried several other examples but they all produce the same error. What could be causing this?. I’m using python 3.8.6 and the latest version of aiohttp Update: It seems the error is caused by importing aiohttp.
Grouping data in a manner to export them as a CSV file
I have a messy data which seems like I want to group them in a way that they would look like I tried mystr.split() to end up in a list and then define the following function to group them in 3’s: I was pretty sure that was going to work, however, I got the following output: I don’t know why