Nice kata to practice sorting with.

"if two brands have the same popularity level then choose the one which was opened last from the two and second the other one" - formulated is not entirely clear, at least for those who do not have the best English(perceived as opposite)

hexadecimal length should be seven characters including '#' and a combination of numbers and letters or each lonely
which language ?

I will close the issue once the pending kumite is merged.
Thanks!

Thanks for your guide, I learned alot of stuff in just one day.
I added this if check1+check2+check3 != 3: also in the fork.

I will close the issue once it merged

oh, you did that in a fork? I thought you actually updated the tests. This explains that...
But in that case, you shouldn't have closed the issue (since nothing was ipdated yet.
.
I took a look. Seems ok excpet for one thing: if not all([check1 ,check2, check3]): instead of if any([check1 ,check2, check3]) == False: (which won't do what you wan't). Or even simpler: if check1+check2+check3 != 3:

kindly check my pending translation
it gives 18 tests.
I did all breaks exactly as you suggested

Time: 565msPassed: 18Failed: 0
Test Results:
Test Cases
length test
regex Test
five in a row Test (15 of 15 Assertions)
a Bunch in a row Test
Completed in 16.11ms 

the kumite pending results

fixed, your solution generates invalid values such as #1b973

kindly check again

Python.

what language?

Tests should import the user's solution AND use that import.

not good yet. ;p

see here