Program for finding the HCF,LCM and Palindrome using and recursion and non recursion

other/palindrome.py

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+# Program to find whether given string is palindrome or not
+def is_palindrome(str):
+    start_i = 0
+    end_i = len(str) - 1
+    while start_i < end_i:
+        if str[start_i] == str[end_i]:
+            start_i += 1
+            end_i -= 1
+        else:
+            return False
+    return True
+
+
+# Recursive method
+def recursive_palindrome(str):
+    if len(str) <= 1:
+        return True
+    if str[0] == str[len(str) - 1]:
+        return recursive_palindrome(str[1:-1])
+    else:
+        return False
+
+
+def main():
+    str = 'ama'
+    print(recursive_palindrome(str.lower()))
+    print(is_palindrome(str.lower()))
+
+
+if __name__ == '__main__':
+    main()