gr8 | Customizable , functional css utilities | Functional Programming library

I have a pandas Series made from the following python dictionary, so:

I am trying to filter a string to only contain characters that I allow. For example let's say I allow letters [A-Z] (case insensitive) and underscores ('_').

So let's say I have the string: "I am a happy_bear and I sk@8 because it's gr8"

I would want it to be filtered to: "I am a happy_bear and I sk because its gr"

What I have tried so far:

I am struggling to find a way to read this json blob into tuples for each record, the author of the database wrote the data in as json blob. When I try to pull the data out of the db however I cannot find any examples on how to decode this blob data into tuples. What I shared below is the actual dump from the sqlite database which is structured as blob. I need to read that into tuples so I can use the individual values .

I have a bunch of pdf files which has the file name as follows:

1. AuthorA_2014_ This is a good article
2. BIsanotherAuthor_1994_ Gr8 artcle
3. CIsFatherOfB_1994_Minor article but not bad

And so on. I would like to change the name of the files to this format:

1. AuthorA2014This is a good article
2. BIsanotherAuthor1994Gr8 artcle
3. CIsFatherOfB1994Minor article but not bad

How do I do this in python? I do have a beginner level knowledge in python. I tried with the code taken from here

I have a text and I want to find number of 'ADJs','PRONs', 'VERBs', 'NOUNs' etc. I know that there is .pos_tag() function but it gives me different results , and I want to have results as 'ADJ','PRON', 'VERB', 'NOUN'. This is my code:

I have a dataset of Comments from twitter(e.g. 10 instances). I want to classify and count the similar words using Scikit-learn Python as output as following:

In tkinter I have step up multiple pages, each page should have a unique Listbox that will be populated with unique information.

My problem is the 'listbox' shows the information from my initial page on the other pages. Even if I completely remove the List box from the other pages, the 'Listbox` from my first page still shows up.

This is basically the first time I have used classes with anything, so I am not sure why this isn't working. This is all basically copied form YouTube how to's, and I am trying to bend it to what I need.

I was originally using minSDKVersion 15, but now have to change to 16 because I need to implement firebase. Using the previous version of firebase is not an option.

Simply changing the minSDKVersion to 16 in the build.gradle(Module:app) gives the following error:

I have a mysql table id, gra, grb integers and NOT NULLS and contain DIFFERENT numbers between 1 and 10. I'd like to divide the data from gra and grb to different columns according to their value.

example: mysql table: