input: 
  def generate_password() -> str:
      """Generate a random password using a mixture of letters, numbers, and characters.
      >>> generated_password = generate_password()
      >>> len(generated_password) == 8
      True
      >>> any(c.isdigit() for c in generated_password)
      True
      >>> any(c.isalpha() for c in generated_password)
      True
      >>> any(not c.isalnum() for c in generated_password)
      True
      """
      import random
  
      string = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()?"
      password = "".join(random.sample(string, 8))
      return password
  
output:     import random
  
      string = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()?"
      password = "".join(random.sample(string, 8))
      return password