класс

class Character(object):
    def __init__(self, hp, hp_max):
        self.hp = hp
        self.hp_max = hp_max
    def got_hit(self):
        self.hp -= 5
        print(self.hp)
    def heal(self):
        if self.hp + 10 <= self.hp_max:
            self.hp += 10
        print(self.hp)


char = Character(50, 100)
char.got_hit() # 45
char.heal() # 55