Number of 1 Bits

class Solution:
    def hammingWeight(self, n: int) -> int:
        count = 0
        while True:
            remainder = n % 2
            n //= 2
            
            if remainder == 1:
                count += 1
 
            if n == 0:
                break
 
        return count

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References

https://leetcode.com/problems/number-of-1-bits/description/