input: 
  import random
  import string
  
  def generate_password():
      """
      Generates a random password consisting of 8 characters, including letters, digits, and special characters.
      
      >>> generate_password()
      '3jK!q&2z'
      >>> generate_password()
      'aB1@#$%^'
      """
      password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      print(password)
  
  generate_password()
  
output:     return password