Returns a list of elements that exist in both lists.
a to only keep values contained in both lists.def similarity(a, b): return [item for item in a if item in b] similarity([1, 2, 3], [1, 2, 4]) # [1, 2]
Returns a list of elements that exist in both lists, after applying the provided function to each list element of both.
Returns every element that exists in any of the two lists once, after applying the provided function to each element of both.
Returns a list of elements that exist in both lists.
Returns the difference between two lists, after applying the provided function to each list element of both.