Asked in Kyndryl
Given three lists arr1, arr2, and arr3, find the common elements using sets. arr1 = [1,5,10,20,40,80,100], arr2 = [6,7,20,80,100], arr3 = [3,4,15,20,30,70,80,120]
AnswerBot
1y
Use sets to find common elements in three lists.
Convert the lists to sets for efficient comparison.
Use the intersection method to find common elements.
Return the common elements as a set or list.
meditativeflash
1y
print(list(set(arr1) & set(arr2) & set(arr3)))
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