Challenge 7: Keys Matching in Multiple Dictionaries

Problem Statement

Implement a find_students function that receives the students dictionary and an address, and returns a list with names of all students whose address matches the address in the argument. For instance, invoking find_students('Lisbon') should return Anna and Peter. Also, note that the names should be printed in alphabetical order.

Input

A nested dictionary students and address

Output

The keys matching the address in the sorted order, i.e., the name of the students living in a particular area