Created
April 16, 2024 14:50
-
-
Save pschanely/1e300c11caba1fc56c3e7c7dad85a899 to your computer and use it in GitHub Desktop.
Shared via CrossHair Playground
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import re | |
from typing import Optional | |
def parse_year(yearstring: str) -> Optional[int]: | |
''' | |
Something is wrong with this year parser! Can you guess what it is? | |
post: __return__ is None or 1000 <= __return__ <= 9999 | |
''' | |
return int(yearstring) if re.match('[1-9][0-9][0-9][0-9]', yearstring) else None |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment