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Task/Test-a-function/Python/test-a-function.py

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+def is_palindrome(s):
+    '''
+        >>> is_palindrome('')
+        True
+        >>> is_palindrome('a')
+        True
+        >>> is_palindrome('aa')
+        True
+        >>> is_palindrome('baa')
+        False
+        >>> is_palindrome('baab')
+        True
+        >>> is_palindrome('ba_ab')
+        True
+        >>> is_palindrome('ba_ ab')
+        False
+        >>> is_palindrome('ba _ ab')
+        True
+        >>> is_palindrome('ab'*2)
+        False
+        >>> x = 'ab' *2**15
+        >>> len(x)
+        65536
+        >>> xreversed = x[::-1]
+        >>> is_palindrome(x+xreversed)
+        True
+        >>> len(x+xreversed)
+        131072
+        >>>
+    '''
+    return s == s[::-1]
+
+def _test():
+    import doctest
+    doctest.testmod()
+    #doctest.testmod(verbose=True)
+
+if __name__ == "__main__":
+    _test()