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_sudoku", "description": "Checks if a 9x9 Sudoku board is valid.", "parameters": {"board": {"description": "The Sudoku board represented as a 2D list of strings.", "type": "List[List[str]]"}}}, {"name": "draw_cards", "description": "Shuffles a standard deck of 52 cards and draws a specified number of cards from the top.", "parameters": {"num_draw": {"description": "The number of cards to be drawn. Defaults to 1.", "type": "int, optional", "default": 1}}}]
A card game player wants to draw a single card from a shuffled deck. Afterwards, can you check if a Sudoku board represented as a 2D list of strings, [['5','.','.','3','.','.','.','.','.'],['6','.','.','.','9','5','.','.','.'],['.','9','8','.','.','.','.','6','.'],['8','.','.','.','6','.','.','.','3'],['4','.','.','8','.','3','.','.','1'],['7','.','.','.','2','.','.','.','6'],['.','6','.','.','.','.','2','8','.'],['.','.','.','4','1','9','.','.','5'],['.','.','.','.','8','.','.','7','9']] is valid?
user
assistant
[{"name": "draw_cards", "arguments": {"num_draw": 1}}, {"name": "is_valid_sudoku", "arguments": {"board": [["5", ".", ".", "3", ".", ".", ".", ".", "."], ["6", ".", ".", ".", "9", "5", ".", ".", "."], [".", "9", "8", ".", ".", ".", ".", "6", "."], ["8", ".", ".", ".", "6", ".", ".", ".", "3"], ["4", ".", ".", "8", ".", "3", ".", ".", "1"], ["7", ".", ".", ".", "2", ".", ".", ".", "6"], [".", "6", ".", ".", ".", ".", "2", "8", "."], [".", ".", ".", "4", "1", "9", ".", ".", "5"], [".", ".", ".", ".", "8", ".", ".", "7", "9"]]}}]