code: def addValues(self, values):
      # Register a dataseries for each item.
      for key in values[0][1].keys():
          self.registerDataSeries(key)
  
      self.__values.extend(values)
  
file_path: pyalgotrade/pyalgotrade/feed/memfeed.py
imports: from pyalgotrade import feed
  from pyalgotrade import dataseries
label_desc: Use image node_id 10 for calling the MemFeed obj's underlying member method code with example usage: obj.addValues(values) without return types