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app.py

@@ -89,6 +89,10 @@ def delete_task(task_id):
 def index():
     return "Task API is running."
 
+@app.errorhandler(404)
+def not_found(e):
+    return jsonify({"error": "not found"}), 404
+
 if __name__ == "__main__":
     # Ensure the database exists before the first request
     if not os.path.isfile(DATABASE):