code: def size(self):
          
          
          if self.__ccore_som_pointer is not None:
              self._size = wrapper.som_get_size(self.__ccore_som_pointer)
              
          return self._size
docs: !
          @brief Return size of self-organized map that is defined by total number of neurons.
  
          @return (uint) Size of self-organized map (number of neurons).