human
&nbsp;
&nbsp;

https://leetcode.com/problems/number-of-1-bits/description/
191. Number of 1 Bits"
Please write code following the instructions in jupyter notebook style.

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What is a code to &nbsp; and the other steps required?
assistant
#Here is code to &nbsp; and the other steps required.

class Solution(object):
    def hammingWeight(self, n):
        """
        :type n: int
        :rtype: int
        """
        # 1.23 µs ± 46.6 ns
#         return bin(n).count('1') 
        
        count=0
        
        # 23.5 µs ± 1.38 µs
        while n :
            count += (n & 1)
            n = n>>1
        
#         9.47 µs ± 81.8 ns
#         while n:
#             n = n&(n-1)
#             count += 1

        return count

    
n=1000000000000000000000000000000000100000000
print(bin(n)[2:])
print(Solution().hammingWeight(n))

%timeit Solution().hammingWeight(n)