masstable/masstable.py
def even_even(self):
        """
        Selects even-even nuclei from the table
        """
        return self.select(lambda Z, N: not(Z % 2) and not(N % 2), name=self.name)
def even_even(self):
        """
        Selects even-even nuclei from the table
        """
        return self.select(lambda Z, N: not(Z % 2) and not(N % 2), name=self.name)
Selects even-even nuclei from the table