Returns the symmetric difference between two lists, after applying the provided function to each list element of both.
set
by applying fn
to each element in every list.fn
on each of them to only keep values not contained in the previously created set of the other.def symmetric_difference_by(a, b, fn):
(_a, _b) = (set(map(fn, a)), set(map(fn, b)))
return [item for item in a if fn(item) not in _b] + [item
for item in b if fn(item) not in _a]
from math import floor
symmetric_difference_by([2.1, 1.2], [2.3, 3.4], floor) # [1.2, 3.4]
Python, List
Returns the difference between two lists, after applying the provided function to each list element of both.
Python, List
Returns every element that exists in any of the two lists once, after applying the provided function to each element of both.
Python, List
Returns a list of elements that exist in both lists, after applying the provided function to each list element of both.