(name)
return (
            len(name) > 2 and
            name[0] == name[-1] == '_' and
            name[1:2] != '_' and
            name[-2:-1] != '_'
            )
Returns True if a _sunder_ name, False otherwise.
Returns True if a _sunder_ name, False otherwise.
Returns True if a _sunder_ name False otherwise .
def _is_sunder(name):
    """
    Returns True if a _sunder_ name, False otherwise.
    """
    return (
            len(name) > 2 and
            name[0] == name[-1] == '_' and
            name[1:2] != '_' and
            name[-2:-1] != '_'
            )
def _is_sunder ( name ) : return ( len ( name ) > 2 and name [ 0 ] == name [ - 1 ] == '_' and name [ 1 : 2 ] != '_' and name [ - 2 : - 1 ] != '_' )