Question

For this code I pretty much have it so that it will return certain indices, but it counts multiple vowels in the same index. I just realized that index() only returns the first occurrence of the item, but now I’ve pretty much exhausted other possibilities.

def vowel_indices(s):
'string ==> list(int), return the list of indices of the vowels in s'
res = []
for vowel in s:
    if vowel in 'aeiouAEIOU':
        res = res + [s.index(vowel)]
return res

An example of this working is:

vowel_indices(‘hello world’)

[1, 4, 7]

Instead I end up getting [1,4,4] as the return.

Answer 1

Use a list comp with enumerate:

vowel_indices = [idx for idx, ch in enumerate(your_string) if ch.lower() in 'aeiou']