> If someone can fizzbuzz with a for loop, recursion, and a list comprehension, they probably know enough of that language to do your junior/mid-level job. If they get a problem they don't know, throw their hands in the air, slam their desk, and start crying, you may not want to work with them.

That's setting the bar pretty low.

If the candidate is from a serious institution he should be able to manipulate more complex data structures.