Pabst interview question

Implement a data structure for time-based operations. Design a versioned data store. Write a web crawler emphasizing multithreading and multiprocessing. Refactor the following simple code. Design an in-memory database. Exponent Glassdoor +3 AIML Careers +3 Glassdoor +3 Glassdoor +1 Glassdoor +1 How did you handle the situation