Oh I see, my code returns 25 :V yea my logic is wrong. Thank you very much for your help :)

That test is comparing the result of running your code to 26 and it is not so the test is failing. I suggest adding print statements to check what your code is returning.

[ C ]
Hi everyone,
My code fails in the following case:

"The expression (duplicate_count("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz")) == (26) is false."

I don't figure out why 26 is "false" since each letter is repeated from 'a' to 'z' and consists of 26 letters.

Help :V

Because of number of letters.
If you just sum ASCII numbers for each letter in a word "aa", you'll get "97 + 97" = "194", in the same time for word "w" you'll get "119", i.e. "194" > "119".
It's a wrong answer.
According to the task, you should consider letters position in the alphabet: a = 1, b = 2, c = 3 etc. : so you supposed to get for "aa" -> "1 + 1" ="2", and for "w" -> "23".
"23" > "2". The correct answer is "w".

The same doubt for me ...anyone explain this if you know the answer

oooh! I see :v
Thanks.

Read stephane777's post below, it's been explained several times before. Tests are ok. You're not following the instructions.

[ C ] Hi!
I can't figure out why "volcano" is higher score than "climbing".
I got the following result highestScoringWord("what time are we climbing up the volcano"); :
"volcano" scores = 754
"climbing" scores = 837
So "climbing" should be the highest scores but the test expected is "volcano".

Halp :v