15 lines
262 B
Python
15 lines
262 B
Python
def containsDuplicate(nums):
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"""
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:type nums: List[int]
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:rtype: bool
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"""
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dupes = []
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for x in nums:
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if x not in dupes:
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dupes.append(x)
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else:
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return True
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return False
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containsDuplicate([1,2,3,1]) |