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": "find_longest_word", "description": "Finds the longest word in a list of words.", "parameters": {"words": {"description": "A list of words.", "type": "List[str]"}}}, {"name": "find_majority_element", "description": "Finds the majority element in a list, which appears more than \u230an / 2\u230b times.", "parameters": {"nums": {"description": "The input list of integers.", "type": "List[int]"}}}, {"name": "generate_password", "description": "Generates a random password of specified length and character types.", "parameters": {"length": {"description": "The length of the password. Defaults to 12.", "type": "int, optional", "default": 12}, "include_special": {"description": "Whether to include special characters in the password. Defaults to True.", "type": "bool, optional", "default": true}}}, {"name": "calculate_age", "description": "Calculates the age based on the birthdate.", "parameters": {"birthdate": {"description": "The birthdate in the format 'YYYY-MM-DD'.", "type": "str"}}}, {"name": "get_range", "description": "Helper function to format the range string.", "parameters": {"start": {"description": "The start of the range.", "type": "int"}, "end": {"description": "The end of the range.", "type": "int"}}}, {"name": "binary_search", "description": "Performs binary search on a sorted list to find the index of a target value.", "parameters": {"arr": {"description": "The sorted list of integers.", "type": "List[int]"}, "target": {"description": "The target value to search for.", "type": "int"}}}]
Find the longest word in the list ['python', 'java', 'javascript', 'csharp'].
user
assistant
[{"name": "find_longest_word", "arguments": {"words": ["python", "java", "javascript", "csharp"]}}]