Update is_anagram.py

[Krasiu]

No description provided.

[luiz-surian]

This only invert the string, won't check if its na anagram :(
print(is_anagram('binary', 'brainy')) should be True, but returns False

[devAmoghS]

@Krasiu thank you for raising the pull request. But Anagrams doesn't work this way. I think what your code is doing: is actually checking whether the strings are palindrome or not ?

Two words are anagrams of one another if their letters can be rearranged to form the other word.

Two words are palindrome if you reverse one to get another e.g. radar