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": "is_valid_ip_address", "description": "Checks if a string is a valid IP address (IPv4).", "parameters": {"ip": {"description": "The string to check.", "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"}}}]
Is 127.0.0.1 a valid IP? Also, provide the holidays for Japan in 2026.
user
assistant
[{"name": "is_valid_ip_address", "arguments": {"ip": "127.0.0.1"}}, {"name": "get_holidays_by_year", "arguments": {"year": 2026, "country_code": "JP"}}]