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zmaupin/gist:6b704558cb39439718a98c8e47fe899f

Created February 27, 2020 01:49
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gistfile1.txt
def symmetrical_difference(arr1, arr2)
arr = []
arr2.length.times do |index|
arr << arr2[index] if arr1.include?(arr2[index]) && !arr.include?(arr2[index])
arr << arr1[index] if arr2.include?(arr1[index]) && !arr.include?(arr1[index])
end
arr
end
p symmetrical_difference([1, 41, 10, 21], [30, 21, 1, 10])
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