input: 
  import random
  
  
  def generate_random_password() -> str:
      """Generate a random password using a set of predefined characters
      
      >>> generate_random_password()
      'aB3!7jK9'
      """
      string = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()?"
      password = "".join(random.sample(string, 8))
      return password
  
output:     return password