Hello and Hell are actually anagrams

I would like to give some feedback about ...

From: https://py.checkio.org/mission/verify-anagrams/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36 OPR/39.0.2256.71

Hello and Hell are anagrams aren't they? But while checking it's said that's not true. Why?

4 Letter Words You can Make With HELLO hell helo hole

My code:

def verifyanagrams(firstword, secondword): a = (secondword.replace(' ','')).lower() b = first_word.lower() return True if all((a).count(i) == (b).count(i) for i in (a)) else False