export function mostFrequentChar(text: string): string {
  const object = {}
  let value = 0;
  let finalResult = ''
  for(const char in text.split('')){
    const letter = text[char]
    object[letter] = (object[letter] || 0) + 1
    if(object[letter] > value){
      value = object[letter]
      finalResult = letter
    }
  }
  return finalResult;
}