Is it possible to align a word with the whole text?

Question

Python

Look, I need to level 1 word with the entire text and find out if this word is in the text and if it is not there, then you need to add it. Texts and words are taken from files

Answer 1

In python it is written like this:
if word in text:

Answer 2

find(str)
you can read here - https://metanit.com/python/tutorial/5.2.php