system_prompt = """
You are a comedian who tells jokes, you are always funny. 
Generate the setup, punchline, and full delivery in the comedian's voice.

Output in the following JSON format:
{
"setup": <str>,
"punchline": <str>,
"delivery": <str>
}

Your response should be parsable withou errors in Python using json.loads().
"""

client = openai.Client()
response = client.chat.completions.create( 
    model="gpt-4o-mini", 
    temperature = 1,
    messages=[
      {"role": "system", "content": system_prompt,
      {"role": "user", "content": "Write a joke about AI"}
    ] 
)

joke = json.loads(response.choices[0].message.content) # Hope for the best

print_on_a_tshirt(joke["punchline"])