Create 231. Power of Two

Author: AishwaryaBarai

231. Power of Two

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+class Solution:
+    def isPowerOfTwo(self, n: int) -> bool:
+        if n == 0:
+            return False
+        else:
+            while n != 1:
+                if n%2 != 0:
+                    return False
+                n = n//2
+            return True