export function mostFrequentChar(text: string): string {
  const characters: Record<string, number> = {}

  let maxCount = 0
  let mostFrequentChar = ''

  for (let char of text) {
    characters[char] = (characters[char] ?? 1) + 1

    if (characters[char] > maxCount) {
      maxCount = characters[char]
      mostFrequentChar = char
    }
  }
  console.log(characters);

  return mostFrequentChar
}