Simple but really efficient. Normally, I had to go through all the (n(n+1)/2) possibilities but this code only go through n times loop. Bravo.

Thanks for your reply. And now it seems to work if I add "+1" to the second loop.

The tests are ok, it's a problem with your code:

Python Completions 6513

Print the input to check why your code fails. Also, remember to mark you post as having spolier content.

For the purpose of this Kata, a year is 365 days and a day is 24 hours.

It's in bold in the description.

This kata doesn't consider leap years. For some cases, the number of seconds are different from when you search on google.