I have the same problem.
my function is success work.
what can I do?
I need some hink..

I am confused about that too. Does it matter? I keep finding the largest and the second largest. I passed all tests but it takes a lot of time computing it. Wonder if thats the reason

I don't understand where are my tests wrong. It gives an error which I don't understand.
expected collection contained:
actual collection contained:
missing elements were:
extra elements were:
and they contain everything exactly the same.