Commit f3b9226

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added daily challenge

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	`1`	`+class Solution:`
	`2`	`+ def getCommon(self, nums1: List[int], nums2: List[int]) -> int:`
	`3`	`+ mp = defaultdict(int)`
	`4`	`+ for num in nums1:`
	`5`	`+ mp[num] += 1`
	`6`	`+ for num in nums2:`
	`7`	`+ if mp[num] > 0:`
	`8`	`+ return num`
	`9`	`+ return -1`
	`10`	`+`

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