Question 3 - Week 6 Practice

Question 3

00:00Est. 3 min

Marks:+4.000.00

We have a dictionary `Registration` where the keys are student names and the values are lists of courses they have registered for. We want to create a new dictionary `CourseRoll` where the keys are course names and the values are lists of students registered for each course. Identify the correct implementation(s). Example `Registration`: `{"Rahul": ["Math", "Physics"], "Sita": ["Physics", "Chemistry"], "Amar": ["Math"]}` Expected `CourseRoll`: `{"Math": ["Rahul", "Amar"], "Physics": ["Rahul", "Sita"], "Chemistry": ["Sita"]}`

Multiple correct

Medium Difficulty

06 April 2026