code: def data(self):
      # If all values are not initialized, return a portion of the array.
      if self.__nextPos < self.__maxLen:
          ret = self.__values[0 : self.__nextPos]
      else:
          ret = self.__values
      return ret
  
imports: import numpy
label_desc: Use image node_id 4 for calling the NumPyDeque obj's underlying member method code with example usage: obj.data() and returns: ret