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symmetric_difference python Code Snippet in 2022

listintermediate

Last Updated: 25 September 2022

Returns the symmetric difference between two iterables, without filtering out duplicate values.

  • Create a set from each list.
  • Use a list comprehension on each of them to only keep values not contained in the previously created set of the other.
def symmetric_difference(a, b): (_a, _b) = (set(a), set(b)) return [item for item in a if item not in _b] + [item for item in b if item not in _a]
symmetric_difference([1, 2, 3], [1, 2, 4]) # [3, 4]

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