new_contents: class Solution:
      # @param n, an integer
      # @return an integer
      def hammingWeight(self, n):
          a = bin(n)
          b = a[2:]
          c = b.split('0')
          sm = 0
          
          for d in c:
              sm += len(d)
          
          return sm
  
subject: Create Numberof1Bits_001.py