export function intercalateChars(first: string, second: string): string {
  // Escribe tu solución aquí
  const maxLengthStr = Math.max(first.length, second.length)
  let result = ''
  for (let i = 0; i < maxLengthStr; i++) {
    result += first.charAt(i) + second.charAt(i)
  }
  return result;
}