def _is_sunder(name):
 return ((name[0] == name[(-1)] == '_') and (name[1:2] != '_') and (name[(-2):(-1)] != '_') and (len(name) > 2))

def _is_sunder ( name ) : return ( ( name [ 0 ] == name [ ( - 1 ) ] == '_' ) and ( name [ 1 : 2 ] != '_' ) and ( name [ ( - 2 ) : ( - 1 ) ] != '_' ) and ( len ( name ) > 2 ) )
returns true if a _sunder_ name .