diff --git a/debug-python-errors/README.md b/debug-python-errors/README.md
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+# How to Debug Common Python Errors
+
+This folder provides the code examples for the Real Python tutorial [How to Debug Common Python Errors](https://realpython.com/debug-python-errors/).
diff --git a/debug-python-errors/cat.py b/debug-python-errors/cat.py
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+++ b/debug-python-errors/cat.py
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+cat = "Siamese"
+
+print(cat)
diff --git a/debug-python-errors/fruit.py b/debug-python-errors/fruit.py
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+++ b/debug-python-errors/fruit.py
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+def capitalize_fruit_names(fruits):
+    capitalized_fruit_names = []
+    cleaned = [fruit if isinstance(fruit, str) else "" for fruit in fruits]
+
+    for fruit in cleaned:
+        capitalized_fruit_names.append(fruit.capitalize())
+
+    return capitalized_fruit_names
+
+
+if __name__ == "__main__":
+    print(capitalize_fruit_names(["apple", "BANANA", "cherry", "maNgo"]))
diff --git a/debug-python-errors/palindromes.py b/debug-python-errors/palindromes.py
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+++ b/debug-python-errors/palindromes.py
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+def find_palindromes(text):
+    # Split sentence into words
+    words = text.split()
+
+    # Remove punctuation and convert to lowercase
+    normalized_words = [
+        "".join(filter(str.isalnum, word)).lower() for word in words
+    ]
+
+    # Check for palindromes
+    return [word for word in normalized_words if word == word[::-1]]
+
+
+if __name__ == "__main__":
+    print(
+        find_palindromes("Dad plays many solos at noon, and sees a racecar.")
+    )
diff --git a/debug-python-errors/test_fruit.py b/debug-python-errors/test_fruit.py
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+++ b/debug-python-errors/test_fruit.py
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+import unittest
+
+from fruit import capitalize_fruit_names
+
+
+class TestAllFruits(unittest.TestCase):
+    def test_empty_list(self):
+        """with empty list"""
+        self.assertEqual(capitalize_fruit_names([]), [])
+
+    def test_lowercase_list(self):
+        """with lowercase strings"""
+        self.assertEqual(
+            capitalize_fruit_names(["apple", "banana", "cherry"]),
+            ["Apple", "Banana", "Cherry"],
+        )
+
+    def test_uppercase_list(self):
+        """with uppercase strings"""
+        self.assertEqual(
+            capitalize_fruit_names(["APPLE", "BANANA", "CHERRY"]),
+            ["Apple", "Banana", "Cherry"],
+        )
+
+    def test_mixed_case_list(self):
+        """with mixed case strings"""
+        self.assertEqual(
+            capitalize_fruit_names(["mAnGo", "grApE"]), ["Mango", "Grape"]
+        )
+
+    def test_non_string_element(self):
+        """with a mix of integer and string elements"""
+        self.assertEqual(
+            capitalize_fruit_names([123, "banana"]), ["", "Banana"]
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()