code: def get_balance(addresses, filter=None, api_code=None):
      
  
      if isinstance(addresses, basestring):
          resource = 'balance?active=' + addresses
      else:
          resource = 'balance?active=' + '|'.join(addresses)
      if filter is not None:
          if isinstance(filter, FilterType):
              resource += '&filter=' + str(filter.value)
          else:
              raise ValueError('Filter must be of FilterType enum')
      if api_code is not None:
          resource += '&api_code=' + api_code
      response = util.call_api(resource)
      json_response = json.loads(response)
  
      return {k: Balance(v) for (k, v) in json_response.items()}
docs: Get balances for each address provided.
  
      :param tuple addresses: addresses(xpub or base58) to look up
      :param FilterType filter: the filter for transactions selection (optional)
      :param str api_code: Blockchain.info API code (optional)
      :return: a dictionary of str, :class:`Balance`