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": "flatten_list", "description": "Flattens a nested list into a single-level list.", "parameters": {"nested_list": {"description": "The nested list to be flattened.", "type": "List"}}}]
How do I flatten a list with multiple nested levels like [[1, 2], [3, [4, 5]]]?
user
assistant
[{"name": "flatten_list", "arguments": {"nested_list": [[1, 2], [3, [4, 5]]]}}]