How do I get a new list without duplicates?
[1, 2, 3, 1] → [1, 2, 3]
How do I get a new list where items that are duplicated are entirely removed?
[1, 2, 3, 1] → [2, 3]
How do I get a new list without duplicates?
[1, 2, 3, 1] → [1, 2, 3]
How do I get a new list where items that are duplicated are entirely removed?
[1, 2, 3, 1] → [2, 3]