The methods Distinct, Union, Intersect, and Except provide set operations to compare multiple sequences.
This sample uses Intersect to create one sequence that contains the common values shared by both arrays.
This sample uses Intersect to create one sequence that contains the common first letter from both product and customer names.
This sample uses Except to create a sequence that contains the values from numbersA that are not also in numbersB.
This sample uses Except to create one sequence that contains the first letters of product names that are not also first letters of customer names.
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