Which of the following is not a valid set operation in python? Select one: a. None b. Union c. Intersection d. Difference

Break Down the Problem

1. Identify valid set operations in Python.
2. Determine which option is not a valid operation.

Relevant Concepts

In Python, set operations include:

• Union: Combining elements from two sets without duplicates.
• Intersection: Finding common elements in two sets.
• Difference: Finding elements that are in one set but not in another.

Analysis and Detail

1. Union: This operation can be performed using the | operator or the union() method.
2. Intersection: This operation can be performed using the & operator or the intersection() method.
3. Difference: This operation can be performed using the - operator or the difference() method.
4. None: This is not a valid set operation in Python.

Verify and Summarize

None is not a valid set operation, while union, intersection, and difference are all recognized set operations in Python.

Final Answer

The answer is a. None.