Trendyol Kodluyoruz Bootcamp 3rd Week Test Homework
Given a series of 'String' inputs, output the number of unique words seen.
Note:
-words include letters and apostrophes
-capitalization may vary on otherwise identical words
-punctuation of ',' and '.' should be ignored
Example
This is a test.
Has four words.
This is a test and a good test.
Has six unique words.