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": "project_population", "description": "Projects the population size after a specified number of years.", "parameters": {"current_pop": {"description": "The current population size.", "type": "int", "default": 1.2}, "num_years": {"description": "The number of years into the future to make the projection.", "type": "int", "default": 1.2}, "annual_growth": {"description": "The annual population growth rate as a percentage. Defaults to 1.2.", "type": "float, optional"}}}, {"name": "is_leap_year", "description": "Checks if a year is a leap year.", "parameters": {"year": {"description": "The year to check.", "type": "int"}}}, {"name": "geocode_city", "description": "Retrieves the latitude and longitude coordinates of a given city using the Maps.co Geocoding API.", "parameters": {"city": {"description": "The name of the city.", "type": "str"}}}, {"name": "get_holidays_by_year", "description": "Retrieves the list of public holidays for a given year and country using the Nager.Date API.", "parameters": {"year": {"description": "The year for which to retrieve the holidays.", "type": "int"}, "country_code": {"description": "The two-letter ISO 3166-1 alpha-2 country code.", "type": "str"}}}]
Mary is a demographer interested in the population growth of her city. Currently, the city has a population of 500,000 people and it's expected to grow at an annual rate of 2%. Mary wants to know the projected population after 10 years. Additionally, she wants to know if any of those years will be a leap year.
user
assistant
[{"name": "project_population", "arguments": {"current_pop": 500000, "num_years": 10, "annual_growth": 2}}, {"name": "is_leap_year", "arguments": {"year": 2031}}]