Add palindrome check algorithm in strings/

Author: Hbasu5

strings/is_palindrome.py

@@ -0,0 +1,14 @@
+def is_palindrome(text: str) -> bool:
+    """
+    Check if a string is a palindrome.
+    >>> is_palindrome("radar")
+    True
+    >>> is_palindrome("hello")
+    False
+    """
+    return text == text[::-1]
+
+
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod()