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Edit: Delete if statement and return condition directely
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contains-duplicate/Jay-Mo-99.py

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Original file line numberDiff line numberDiff line change
@@ -18,9 +18,6 @@ def containsDuplicate(self, nums):
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#Space Complexity: O(N)
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#-set은 nums의 길이에 의해 생성되므로 n에 영향받음(The set requires extra space depends on the size of nums) : O(N)
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if len(list(set(nums))) == len(nums):
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return False
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else:
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return True
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return len(list(set(nums))) != len(nums) #set된 list와 기존 nums의 len이 일치하지 않는다면 true(duplicate), 아니면 false
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