Write file to a directory that doesn't exist

Question

How do I using with open() as f: ... to write the file in a directory that doesn\'t exist.

For example:

Answer 1

For Python 3 can use with pathlib.Path:

from pathlib import Path

p = Path('Users' / 'bill' / 'output')
p.mkdir(exist_ok=True)
(p / 'output-text.txt').open('w').write(...)