Run ChatGPT generated and saved code in Python

import asyncio
import os
import openai

from dotenv import load_dotenv
# Get environment variables
load_dotenv()

openai.api_type = "azure"
openai.api_base = os.getenv("OPENAI_API_BASE")
openai.api_version = "2022-12-01"
openai.api_key = os.getenv("OPENAI_API_KEY")

async def main():

response = openai.Completion.create(
engine="gpt-35-turbo-0301",
prompt=f"<|im_start|>system\nYou are a Python developer.\n<|im_end|>\n<|im_start|>user\nWrite a short Python script that prints the words Hello World! Don't explain the code. Don't put the code in a code block.\n\n<|im_end|>\n<|im_start|>assistant",
temperature=1,
max_tokens=4000,
top_p=0.5,
frequency_penalty=0,
presence_penalty=0,
stop=None)

# I haven't figured out why this is in the response yet
# So I just remove it from the string
code = str.replace(response['choices'][0]['text'],"<|im_end|>","")

# Print the code so you can see it before you run it.
print(code)

# Ask if you want to save the code to a file
save = input("Save the code to a file? (y/n): ")
if save == "n":
    return

#Save the code to a Python file
with open("hello_world.py", mode="w", encoding="utf-8") as hello:
     hello.write(code)

# Ask if you want to run the code
run = input("Run the code? (y/n): ")
if run == "n":
     return

# Run the code
with open("hello_world.py", mode="r", encoding="utf-8") as hello:
     code = hello.read()
exec(code)

if __name__ == '__main__':
     asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
     asyncio.run(main())