input: Write a function that generates a random password. The function should generate a string of 8 characters consisting of a mix of numbers, letters, and special characters. The function should not take any input and should print the generated password.
  
  def generate_password():
   password_characters = string.ascii_letters + string.digits + string.punctuation
   password = ''.join(random.choice(password_characters) for i in range(8))
   print(password)
  
  assert type(generate_password())==None
  assert len(generate_password())==0
output: def generate_password():
      import random
      import string
      password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      print(password)