input: import string
  import random
  
  def generate_password(min_length: int) -> str:
      """ Generate a random password that has a minimum length of 8 characters and 
      contains at least one number and one special character.
      >>> generate_password(8)
      'aB3$d5&E'
      """
      chars = string.ascii_letters + string.digits + string.punctuation
      while True:
          password = "".join(random.choice(chars) for i in range(min_length))
          if any(char.isdigit() for char in password) and any(char in string.punctuation for char in password):
              return password
output:     chars = string.ascii_letters + string.digits + string.punctuation
      while True:
          password = "".join(random.choice(chars) for i in range(min_length))
          if any(char.isdigit() for char in password) and any(char in string.punctuation for char in password):
              return password