(self, ndigits=None)
Rounds self to ndigits decimal places, defaulting to 0.

        If ndigits is omitted or None, returns an Integral, otherwise
        returns a Real. Rounds half toward even.
Rounds self to ndigits decimal places, defaulting to 0.
Rounds self to ndigits decimal places defaulting to 0 .
def __round__(self, ndigits=None):
        """Rounds self to ndigits decimal places, defaulting to 0.

        If ndigits is omitted or None, returns an Integral, otherwise
        returns a Real. Rounds half toward even.
        """
        raise NotImplementedError
def __round__ ( self , ndigits = None ) : raise NotImplementedError