OpenAI's API undocumented function calling python

file.py

import openai

openai.api_key = "YOUR KEY GOES HERE"

def get_completion(messages):
    response = openai.ChatCompletion.create(
        model="gpt-3.5-turbo-0613",
        messages=messages,
        functions=[{
            "name": "fake",
            "description": "This is a fake function.",
            "parameters": { "type": "object", "properties": {} },
        }],
        temperature=0,
    )

    return response
    
messages = [
    {
        "role": "system",
        "content": (
            "I'll give you a list of numbers. Compute their average. "
            "Call a python function to do this."
        ),
    },
    {"role": "user", "content": "7 28 1 4 2 98 15"},
]

response = get_completion(messages)

exec(response["choices"][0]["message"].function_call.arguments)
compute_average(numbers)