2206. Divide Array Into Equal Pairs
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class Solution:
def divideArray(self, nums: List[int]) -> bool:
cnt = Counter(nums)
return all(v % 2 == 0 for v in cnt.values())
class Solution:
def divideArray(self, nums: List[int]) -> bool:
cnt = Counter(nums)
return all(v % 2 == 0 for v in cnt.values())