Code for Valid Palindrome

Valid Palindrome.py

@@ -0,0 +1,57 @@
+class Solution(object):
+
+    def isPalindrome(self, s):
+
+        """
+
+        :type s: str
+
+        :rtype: bool
+
+        """
+
+        l=len(s)
+
+
+
+        i=0
+
+        j=l-1
+
+
+
+        while i<=j:
+
+            ia=s[i]
+
+            ja=s[j]
+
+
+
+            if not ia.isalnum():
+
+                i+=1
+
+                continue
+
+            if not ja.isalnum():
+
+                j-=1
+
+                continue
+
+
+
+            if ia.lower()!=ja.lower():
+
+                return False
+
+
+
+            i+=1
+
+            j-=1
+
+        return True
+
+