Can you identify this function’s output and behavior? Go!

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Calling all LISP enthusiasts! Our latest dev challenge features a LISP function designed to remove duplicates from a list. At first glance, the function seems straightforward. However, when we run it with our test cases, the results might be unexpected. Can you predict the output for our two examples? More importantly, can you explain why? For those seeking an extra challenge: How would you modify the function to maintain the original order of elements?

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Answer: The function successfully removes duplicates but has two noteworthy behaviors:
It changes the order of elements in the list.
It keeps the first occurrence of each element encountered during processing, removing subsequent occurrences.
This happens because the function recursively processes the list, always keeping the first element and removing all subsequent occurrences of it from the rest of the list.

GoogleDevelopers
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Here's a clue to guide your thinking: Pay close attention to how the remove function works in LISP and how it's used in the recursive calls. Think about Lisp’s handling of list operations in general and how it might affect the output.

GoogleDevelopers
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The funny thing is you guys are teaching us code while taking our jobs at the same time with AI

asAnApostle