Problem Statement:
We are given two sentences A and B. (A sentence is a string of space separated words. Each word consists only of lowercase letters.)
A word is uncommon if it appears exactly once in one of the sentences, and does not appear in the other sentence.
Return a list of all uncommon words.
You may return the list in any order.
Example 1:
Input: A = "this apple is sweet", B = "this apple is sour"
Output: ["sweet","sour"]
Example 2:
Input: A = "apple apple", B = "banana"
Output: ["banana"]
Code is given in the comment section.
Prerequisite:
Counting the frequencies in a list using dictionary | Python | Castor Classes
https://www.youtube.com/watch?v=yZKGU...
Python for beginners:
https://www.youtube.com/watch?v=egq7Z...
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