code: def account(self, address):
          
          endpoint = '/accounts/{account_id}'.format(account_id=address)
          return self.query(endpoint)
docs: Returns information and links relating to a single account.
  
          `GET /accounts/{account}
          <https://www.stellar.org/developers/horizon/reference/endpoints/accounts-single.html>`_
  
          :param str address: The account ID to retrieve details about.
          :return: The account details in a JSON response.
          :rtype: dict