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solutions/is_palindrome.py

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+"""
+A module to check if a given string is a palindrome.
+
+Module contents:
+    - is_palindrome: checks if a string reads the same forwards and backwards.
+
+Created on 03-01-25
+
+"""
+
+
+def is_palindrome(input_string: str) -> bool:
+    """
+    Checks if a string is a palindrome.
+
+    Parameters:
+        input_string (str): The string to be checked.
+
+    Returns:
+        bool: True if the string is a palindrome, False otherwise.
+
+    Raises:
+        TypeError: If the input is not a string.
+
+    Examples:
+        >>> is_palindrome("madam")
+        True
+
+        >>> is_palindrome("hello")
+        False
+
+        >>> is_palindrome("")
+        True
+    """
+    if not isinstance(input_string, str):
+        raise TypeError("Input must be a string.")
+    return input_string == input_string[::-1]