(self)
return not self._is_special and self._int == '0'
Return True if self is a zero; otherwise return False.
Return True if self is a zero; otherwise return False.
Return True if self is a zero ; otherwise return False .
def is_zero(self):
        """Return True if self is a zero; otherwise return False."""
        return not self._is_special and self._int == '0'
def is_zero ( self ) : return not self . _is_special and self . _int == '0'