number-of-1-bits py3 better
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@ -0,0 +1,9 @@
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class Solution:
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def hammingWeight(self, n: int) -> int:
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count = 0
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while n:
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count += 1 if n & 1 == 1 else 0
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n >>= 1
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return count
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@ -3,7 +3,7 @@ class Solution:
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count = 0
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count = 0
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while n:
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while n:
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count += 1 if n & 1 == 1 else 0
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n = n & (n - 1)
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n >>= 1
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count += 1
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return count
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return count
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