export function isPangram(sentence: string): boolean {
  // Escribe tu solución aquí
  const alphabetLower = Array.from({ length: 26 }, (_, i) => 
  String.fromCharCode(97 + i)
);
return [...new Set(sentence.toLowerCase().split('').sort().filter((v) => v != ' '))].join('') === alphabetLower.join('')
}