https://docs.vultr.com/python/....standard-library/set



symmetric_difference_update() in Python
The symmetric_difference_update() method in Python is used with sets to update a set by keeping only the elements that are unique to either of the two sets (i.e., removing common elements). It modifies the original set in place.set1.symmetric_difference_update(set2)
This method removes all elements that are common in set1 and set2.
It keeps only the elements that are unique to each set.

https://docs.vultr.com/python/....standard-library/str



endswith() Method in Python
The endswith() method in Python is used to check if a string (such as a filename or URL) ends with a specific suffix. It returns True if the string ends with the given suffix; otherwise, it returns False