code: def payments_for_address(self, address):
          "return an array of (TX ids, net_payment)"
          URL = self.api_domain + ("/address/%s?format=json" % address)
          d = urlopen(URL).read()
          json_response = json.loads(d.decode("utf8"))
          response = []
          for tx in json_response.get("txs", []):
              total_out = 0
              for tx_out in tx.get("out", []):
                  if tx_out.get("addr") == address:
                      total_out += tx_out.get("value", 0)
              if total_out > 0:
                  response.append((tx.get("hash"), total_out))
          return responsf payments_for_address(self, address):
          "return an array of (TX ids, net_payment)"
          URL = self.api_domain + ("/address/%s?format=json" % address)
          d = urlopen(URL).read()
          json_response = json.loads(d.decode("utf8"))
          response = []
          for tx in json_response.get("txs", []):
              total_out = 0
              for tx_out in tx.get("out", []):
                  if tx_out.get("addr") == address:
                      total_out += tx_out.get("value", 0)
              if total_out > 0:
                  response.append((tx.get("hash"), total_out))
          return response
docs: return an array of (TX ids, net_payment)