messages.content: Calculate the average of list of integers [12, 15, 18, 20, 21, 26, 30].
messages.role: user
messages.role: assistant
messages.arguments: {"numbers": [12.0, 15.0, 18.0, 20.0, 21.0, 26.0, 30.0]}
messages.name: calculate_average
messages.type: function
tools: [{"type": "function", "function": {"name": "calculate_average", "description": "Calculates the average of a list of numbers.", "parameters": {"type": "dict", "properties": {"numbers": {"type": "array", "items": {"type": "float"}, "description": "The list of numbers to calculate the average of."}}, "required": ["numbers"]}}}]