Creating, reading, updating, and deleting dictionary entries — IITM BS previous year questions

Creating, reading, updating, and deleting dictionary entries is part of Dictionaries - Introduction, Week 7 in Programming in Python. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.