example.py

class Character():
    def __init__(self, level, strength=10, dexterity=10, intelligence=10, vitality=10):
        self.strength = strength
        self.dexterity = dexterity
        self.intelligence = intelligence
        self.vitality = vitality



class Mage(Character):
    def __init__(self, mana, **kwargs):
        super().__init__(**kwargs)
        self.mana = mana

    def attributes(self):
        print('level {}'.format(self.level))
        print('mana {}'.format(self.mana))
        print('strength {}'.format(self.strength))
        print('dexterirty {}'.format(self.dexterity))
        print('intelligence {}'.format(self.intelligence))
        print('vitality {}'.format(self.vitality))

test = Mage(1, 100, Strength=12, Dexterity=13, Intelligence=14, Vitality=11)
test.attributes()