Question: Scala Programming Write a function named countVowels that inputs a String and outputs an Int which counts the number of occurrences of a vowel in

Scala Programming

Write a function named countVowels that inputs a String and outputs an Int which counts the number of occurrences of a vowel in a given string.

Vowels are a, e, i, o, u.

Example

Input: "aaatchoU" Output: 5.

Capital letters of vowels should also count as a vowel.

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