Friday Hacks #104: Code Golf

Rules:

1. All languages allowed (including Pyth)

2. No imports, requires, etc

3. Write a method with the given type signature

4. Time limit: 10 minutes

5. Whitespace is not counted. Score is the number of bytes in the program. Scoring is calculated with http://bytesizematters.com/

6. Demo function calls are not counted in scoring

Code submission

Submit a pull request to the respective question folder with your answer file in the format yourname.format. e.g. johndoe.py