Create a filename that does not exist

fp_not_exist.py

import random
import string

fromt pathlib import Path


def file_that_does_not_exist() -> Path:

    def _randname() -> str:
        return "".join(
            random.choice(string.ascii_lowercase)
            for _ in range(8)
        )

    while (fp := Path(_randname())).exists():
        pass
    return fp
  
    
print(f"This file does not exist: '{file_that_does_not_exist()}'")