code: def clean_addresses(addresses):
      
      if addresses is None:
          return []
      addresses = addresses.replace("\'", "")
      address_list = re.split('[,;]', addresses)
      clean_list = []
      for address in address_list:
          temp_clean_address = clean_address(address)
          clean_list.append(temp_clean_address)
      return clean_list
docs: Cleans email address.
      :param addresses: List of strings (email addresses)
      :return: List of strings (cleaned email addresses)