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": "user_by_rest_id", "description": "Fetches user information from Twitter using a REST API by user ID.", "parameters": {"is_id": {"description": "The user ID to fetch information for.", "type": "str", "default": "44196397"}}}]
I need the Twitter user data for IDs '9876543210' and '0123456789'. Can you provide that?
user
assistant
[{"name": "user_by_rest_id", "arguments": {"is_id": "9876543210"}}, {"name": "user_by_rest_id", "arguments": {"is_id": "0123456789"}}]