I'm glad you asked! Obviously you have to check the code table and you can see that's a Greek beta, not German Eszett. \s
In [1]: ord("β")
Out[1]: 946
In [2]: ord("ß")
Out[2]: 223Come on now. I would swear both characters are the same. I didn't know that the German one wasn't a Greek beta.
I come to Hacker News for exactly this. Excellent nerdsnipe.