Should my solution return 'tell truth'/'stay silent' or 0/1?

[xjcl]

The contest page links to the "policestation" branch where strategies returns strings ('tell truth'/'stay silent') but I just randomly saw that the "main" branch strategies return 0/1. Which one is right? Note that I already submitted my string-based version.

[willow-iam]

Both actually work.

if type(move) is str:
        defects = ["defect","tell truth"]
        return 0 if (move in defects) else 1
else:
        return move

code/prisonersDilemma.py line 32

[xjcl]

D'oh! Thanks.