python 2c list 2c index function

1# vowels list
2vowels = ['a', 'e', 'i', 'o', 'i', 'u']
3
4# index of 'e' in vowels
5index = vowels.index('e')
6print('The index of e:', index)
7
8# element 'i' is searched
9# index of the first 'i' is returned
10index = vowels.index('i')
11
12print('The index of i:', index)