Career building

The things which I done in this week is done some DSA questions from hackerrank and studies some concepts in mongodb, I'm trying to maintain an streak which is trying to learn new things in an week. For the DSA section, which is done to improving the coding skill basically done questions from hackerrank, If any one want to refer it the github repo link : https://github.com/Z-M-Zero-to-Mastery/DSA-problem_solving
In this repo which consist of problems and solutions for it in different ways both efficient, non-efficient, shorthand way etc. In mongodb section, which I'm trying to learn some more advance topics in it like, normalization and denormalization , database design, relations, aggregation, scaling of the db etc. where I'm currently in my learning path. the topic which I learned in this week is about relations like one to one, one to many etc. For the next week I'm planning to cover more topics....