diff --git a/strings/largest_smallest_words.py b/strings/largest_smallest_words.py
new file mode 100644
index 000000000000..aeb383d489e6
--- /dev/null
+++ b/strings/largest_smallest_words.py
@@ -0,0 +1,47 @@
+def find_smallest_and_largest_words(input_string: str) -> tuple:
+    """
+    Find the smallest and largest words in a given input string based on their length.
+
+    Args:
+        input_string (str): The input string to analyze.
+
+    Returns:
+        tuple: A tuple containing the smallest and largest words found.
+        If no words are found, both values in the tuple will be None.
+
+    Examples:
+    >>> find_smallest_and_largest_words("My name is abc")
+    ('My', 'name')
+
+    >>> find_smallest_and_largest_words("Hello guys")
+    ('guys', 'Hello')
+
+    >>> find_smallest_and_largest_words("OnlyOneWord")
+    ('OnlyOneWord', 'OnlyOneWord')
+    """
+    words = input_string.split()
+    if not words:
+        return None, None
+
+    # Handle punctuation and special characters
+    words = [word.strip(".,!?()[]{}") for word in words]
+
+    smallest_word = min(words, key=len)
+    largest_word = max(words, key=len)
+
+    return smallest_word, largest_word
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()
+
+    input_string = input("Enter a sentence:\n").strip()
+    smallest, largest = find_smallest_and_largest_words(input_string)
+
+    if smallest and largest:
+        print(f"The smallest word in the given sentence is '{smallest}'")
+        print(f"The largest word in the given sentence is '{largest}'")
+    else:
+        print("No words found in the input sentence.")