feat: implement hammingWeight for Number of 1 Bits

Author: river20s

number-of-1-bits/river20s.py

@@ -1,13 +1,13 @@
-class Solution(object):
-    def hammingWeight(self, n):
-        """
-        :type n: int
-        :rtype: int
-        Time complexity: O(1)
-        Space complexity: O(1)
-        """
-        count = 0
-        for _ in range(32):
-            count += n & 1
-            n >>= 1
-        return count
+class Solution(object):
+    def hammingWeight(self, n):
+        """
+        :type n: int
+        :rtype: int
+        Time complexity: O(1)
+        Space complexity: O(1)
+        """
+        count = 0
+        for _ in range(32):
+            count += n & 1
+            n >>= 1
+        return count