def add_multi_representer(data_type, multi_representer, Dumper=Dumper):
 Dumper.add_multi_representer(data_type, multi_representer)

def add_multi_representer ( data_type , multi_representer , Dumper = Dumper ) : Dumper . add_multi_representer ( data_type , multi_representer )
add a representer for the given type .