09Count the Vowels
Easystringsloops
Write count_vowels(text) that returns how many vowels (a, e, i, o, u) appear in text.
Upper-case vowels count too.
Examples
Example 1
>>> count_vowels('hello world') 3
Example 2
>>> count_vowels('AEIOU') 5
Run examples checks the 2 examples above. Submit runs all 6 tests, including hidden edge cases, and marks the challenge solved.