Set operations are operations used to manipulate and analyze sets. It includes the following operations:
  1. Union: Combines two or more sets to create a new set containing all unique elements from the input sets.
  2. Intersect: Yields a new set with elements common to all input sets.
  3. Except: Generates a set containing elements from the first set that are not present in the second set.
These operations allow for comparisons, combinations, and distinctions among sets in various contexts.