How to correctly define a function?

Question

In python I\'m trying to do the following to define a function:

count_letters(word) = count_vowels(word) + count_consonants(word)

But for

Answer 1

This is not how you declare a function in python. What you want to write is:

def count_letters(word):
    return count_vowels(word) + count_consonants(word)

That is if you already have a count_vowels and a count_consonants function.