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Author: saarikabhasi

string-processing/palindrome.py

@@ -0,0 +1,23 @@
+"""
+find if given sentence or word is palindrome. 
+Sentence/word may have non alphanumeric characters too.
+"""
+
+def palindrome_check(sentence):
+    i = 0
+    j = len(sentence)-1
+    while i < j :
+        if not sentence[i].isalnum() and i<j:
+            i+=1
+        if not sentence[j].isalnum() and i<j:
+            j-=1
+
+        if sentence[i].lower() != sentence[j].lower():
+            return False
+
+
+        i+=1
+        j-=1
+    return True
+
+print(palindrome_check("Live on time, emit no evil."))