Challenge 05 find symmetric difference - freecodecamp
Problem 05 find symmetric difference - freecodecamp
Find the Symmetric Difference
The mathematical term symmetric difference (△ or ⊕) of two sets is the set of elements
which are in either of the two sets but not in both.
For example, for sets A = {1, 2, 3} and B = {2, 3, 4}, A △ B = {1, 4}.
Symmetric difference is a binary operation, which means it operates on only two elements.
So to evaluate an expression involving symmetric differences among three elements (A △ B △ C),
you must complete one operation at a time.
Thus, for sets A and B above, and C = {2, 3}, A △ B △ C = (A △ B) △ C = {1, 4} △ {2, 3} = {1, 2, 3, 4}.
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