export function countWordsEndingWithVowel(words: string[]): number {
  if (words.length === 0) return 0;
  const vowels: string[] = ['a', 'e', 'i', 'o', 'u'];
  let count: number = 0;
  words.forEach(word => {
    if (vowels.includes(word[word.length-1].toLowerCase())) count++;
  });
  return count;
}