What is the quickest (and least resource intensive) to compare two massive lists (>50.000 items) and as a result have two lists. I found a very basic example of list comparison at list compare this example verifies the size first and then checks the availability of the particular. What's the expected size of the real lists?
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The question was interpreted in two different ways. If the goal is to find all the elements that are common to both lists (regardless of where they. Will the lists being compared be of comparable sizes or very different?
I need to check that they both have the same elements, regardless of their position within the list.
Do you expect most lists.
