input: from typing import List, Union
  
  def generate_random_password() -> str:
      """ Generate a random password from a predefined set of characters.
      The password consists of 8 characters randomly chosen from a mix of lowercase letters, uppercase letters, numbers, and special characters.
      >>> generate_random_password()
      'A3b!eF7@'
      >>> generate_random_password()
      '9Xa#2Vz%'
      """
      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