Sort by Surname — medium Python for AI problem | Incognition

Sort by Surname

10 pts · 10 coins

Python for AIMedium

Sort by Surname

A guest list holds full names like "Ada Lovelace": always a first name, one space, then a surname.

Write by_surname(guests). It returns a new list of the full names sorted A to Z by surname, ignoring capitals ("de" and "De" sort the same).

Guests with the same surname (ignoring capitals) keep their original order.
Return the names exactly as given; don't change their capitals.

Examples

guests = ["Grace Hopper", "Ada Lovelace", "alan turing", "Charles babbage"]

returns ['Charles babbage', 'Grace Hopper', 'Ada Lovelace', 'alan turing']

guests = []

returns []

Hints

solution.py

1def by_surname(guests):
2    # your code here
3    pass
4