Reader advised that congratulations and thank-yous are the same thing.

from Lifestyle https://www.washingtonpost.com/lifestyle/style/miss-manners-thank-you-notes-not-just-good-etiquette-but-good-politics/2019/03/06/c2c4f1d8-315f-11e9-813a-0ab2f17e305b_story.html
Reader advised that congratulations and thank-yous are the same thing.