Count Vowels

Count how many characters in text are vowels: a, e, i, o, u in either uppercase or lowercase.

Implement count_vowels(text).

Input

text: The text to inspect (ASCII characters).

Output

Return the number of vowels.

Vincoli

0 ≤ length ≤ 10,000

Esempi

Input:
text = "Hello World"

Output atteso:
expected = 3

Input:
std::string text = "Hello World";

Output atteso:
long long expected = 3;

Input:
string text = "Hello World";

Output atteso:
long expected = 3;

Input:
text = "AEIOU and y"

Output atteso:
expected = 6

Input:
std::string text = "AEIOU and y";

Output atteso:
long long expected = 6;

Input:
string text = "AEIOU and y";

Output atteso:
long expected = 6;

Riferimenti

Questa sfida è adattata per CodeUtility. Segui la traccia e i vincoli sopra.

• GWU CS1111 Introduction to Software Development - lab sequence