def cell_with_item(cell_name, item):
 if (cell_name is None):
  return item
 return ((cell_name + _CELL_ITEM_SEP) + str(item))

def cell_with_item ( cell_name , item ) : if ( cell_name is None ) : return item return ( ( cell_name + _CELL_ITEM_SEP ) + str ( item ) )
turn cell_name and item into <cell_name>@<item> .