code: def __initialize_locations(self, rows, cols):
          
          
          location = list()
          for i in range(rows):
              for j in range(cols):
                  location.append([float(i), float(j)])
          
          return location
docs: !
          @brief Initialize locations (coordinates in SOM grid) of each neurons in the map.
          
          @param[in] rows (uint): Number of neurons in the column (number of rows).
          @param[in] cols (uint): Number of neurons in the row (number of columns).
          
          @return (list) List of coordinates of each neuron in map.