What Changed Overnight? — medium Python for AI problem | Incognition

What Changed Overnight?

10 pts · 10 coins

Python for AIMedium

What Changed Overnight?

A stall writes its prices down every evening. You have yesterday's dictionary and today's.

Write changed_items(old_prices, new_prices) that returns a list of the items that are in both dictionaries but have a different price today.

Ignore items that are only in one of the two.
Sort the list alphabetically.

Examples

old_prices = {'apple': 40, 'fig': 80}

new_prices = {'apple': 45, 'fig': 80}

returns ['apple']

old_prices = {"mango": 90, "kiwi": 35, "apple": 40}

new_prices = {"apple": 40, "kiwi": 30, "mango": 95}

returns ['kiwi', 'mango']

old_prices = {"apple": 40}

new_prices = {"apple": 40}

returns []

Hints

solution.py

1def changed_items(old_prices, new_prices):
2    # your code here
3    pass
4