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": "future_investment_value", "description": "Calculates the future value of an investment based on the present value, annual interest rate, and number of years.", "parameters": {"present_value": {"description": "The present value of the investment.", "type": "float"}, "annual_interest_rate": {"description": "The annual interest rate as a decimal (e.g., 0.05 for 5%).", "type": "float"}, "years": {"description": "The number of years the investment will grow.", "type": "int"}}}, {"name": "std_deviation", "description": "Calculates the standard deviation of a list of numbers.", "parameters": {"numbers": {"description": "The list of numbers.", "type": "List[float]"}}}, {"name": "calculate_angle", "description": "Calculates the angle between the hour and minute hands of a clock.", "parameters": {"hour": {"description": "The hour value (1-12).", "type": "int"}, "minute": {"description": "The minute value (0-59).", "type": "int"}}}]
What is the standard deviation of the numbers 1.2, 2.3, 3.4, 4.5, 5.6?
user
assistant
[{"name": "std_deviation", "arguments": {"numbers": [1.2, 2.3, 3.4, 4.5, 5.6]}}]