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diff --git a/submissions/Nikhil-Gupta/Palindrome-Number/solution.py b/submissions/Nikhil-Gupta/Palindrome-Number/solution.py
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+++ b/submissions/Nikhil-Gupta/Palindrome-Number/solution.py
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+class Solution:
+    def isPalindrome(self, x: int) -> bool:
+        if x < 0:
+            return False
+
+        original=x
+        rev=0
+
+        while x > 0:
+            digit = x % 10
+            rev = rev * 10 + digit
+            x = x // 10
+        return rev == original    
+        
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diff --git a/submissions/Nikhil-Gupta/Power-of-Two/solution.py b/submissions/Nikhil-Gupta/Power-of-Two/solution.py
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+class Solution:
+    def isPowerOfTwo(self, n: int) -> bool:
+        if n <= 0:
+            return False
+        while n % 2 == 0:
+            n = n // 2
+        return n == 1
+