chatgpt does amazing job with coding. i used it to see difference in python code. i found some ai/ml code written with python 2.7 and a mix of old libraries. asked how i could update code to function with python 3.10 and boom worked wonders.

i would ask it real world c++ interview questions involving c++ problems to find solution to

As others have said ask Chatgpt and make sure to tell it to pretend to be an interviewer, specifically interviewing you for X job and job description. Then tell it to ask you programming challenges and questions about your solution as an inter interviewer would

Second chatgpt, just ask him

Used college level textbooks.