human
Solve the following python programming problem given the following code:
def _apply_mapping(export_tables, mapping_dict) : 
    def _clean(tabledata) : 
        def _clean_tablename(tablename) : 
            return mapping_dict.get (tablename, tablename) 
return (_clean_tablename (tabledata [0]), tabledata [1]) 
return map (_clean, mapping_dict) 

    
    

    Fix the buggy line: return map (_clean, mapping_dict)
assistant
#Here is Python program to fix the buggy line: return map (_clean, mapping_dict)
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return map (_clean, export_tables)