text: class Transaction(object):
      def __init__(self, id, amount, souce_account_id, destination_account_id, timestamp):
          self.id = id
          self.amount = amount
          self.souce_account_id = souce_account_id
          self.destination_account_id = destination_account_id
          self.timestamp = timestamp
      
      def dump(self):
          return "Transaction: {0}, Source account: {1}, Detination account: {2} amount: {3}, Date: {4}" \
          .format(self.id, self.souce_account_id, self.destination_account_id, self.amount, self.timestamp.strftime("%y-%m-%d-%H-%M"))