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]]"}}}, {"name": "calculate_median", "description": "Calculates the median of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[Union[int, float]]"}}}, {"name": "count_bits", "description": "Counts the number of set bits (1's) in the binary representation of a number.", "parameters": {"num": {"description": "The input number.", "type": "int"}}}]
Calculate the area of a triangle with vertices (0, 0), (1, 0), and (0, 1).
user
assistant
[{"name": "polygon_area_shoelace", "arguments": {"vertices": [[0, 0], [1, 0], [0, 1]]}}]