You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "polygon_area_shoelace", "description": "Calculates the area of a polygon using the shoelace formula.", "parameters": {"vertices": {"description": "A list of polygon vertices represented as tuples (x, y).", "type": "List[Tuple[float, float]]"}}}]
Calculate the area of a complex polygon with vertices at (0, 0), (1, 2), (3, 5), (7, 6), (9, 3), (6, 1), and (3, 2).
user
assistant
[{"name": "polygon_area_shoelace", "arguments": {"vertices": [[0, 0], [1, 2], [3, 5], [7, 6], [9, 3], [6, 1], [3, 2]]}}]