array/isPalindrome.py

@@ -0,0 +1,42 @@
+import unittest
+
+
+class Solution:
+    def isPalindrome(self, x: int) -> bool:
+        if str(x) == str(x)[::-1]:
+            return True
+        else:
+            return False
+
+
+
+
+
+
+
+
+class TestisPalindrome(unittest.TestCase):
+    def test_isPalindrome(self):
+        x = 121
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, True)
+
+    def test_isPalindrome2(self):
+        x = -121
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, False)
+
+
+    def test_isPalindrome3(self):
+        x = 1221
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, True)
+
+    def test_isPalindrome4(self):
+        x = 1231
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, False)

array/isPalindrome2.py

@@ -0,0 +1,51 @@
+import unittest
+
+
+class Solution:
+    def isPalindrome(self, x: int) -> bool:
+        if x < 0:
+            return False
+        a = 0
+        t = x
+        while x:
+            a = a * 10 + x % 10
+            print("a",a)
+            x = x // 10
+            print("x", x)
+        return t == a
+
+
+
+
+
+
+
+
+
+
+
+class TestisPalindrome(unittest.TestCase):
+    def test_isPalindrome(self):
+        x = 121
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, True)
+
+    def test_isPalindrome2(self):
+        x = -121
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, False)
+
+
+    def test_isPalindrome3(self):
+        x = 12321
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, True)
+
+    def test_isPalindrome4(self):
+        x = 1231
+        s = Solution()
+        res = s.isPalindrome(x)
+        self.assertEqual(res, False)