Hello, how can I search diffrences in two lists.
Lets say (diffrences list1 list2)
(diffrences '(1 5 4 2) '(3 5 2 7 9)
would give back (1 4) since they are the elements of list1 which
arent found in list2
I just have no idea how to make this.
Can someone give me a solution? That would be supernice.
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