class Player:
    def __init__(self):
        self.alive = True
        self.energie = 3
        
    def blessure(self):
        if self.alive:
            self.energie += -1
            if self.energie == 0:
                self.alive = False
    
    def soin(self):
        if self.alive:
            self.energie += 1
    
mario = Player()
print(mario.energie) # 3
mario.soin()
print(mario.energie) # 4
mario.blessure()
mario.blessure()
mario.blessure()
print(mario.alive) # True
mario.blessure()
print(mario.alive) # False
mario.soin()
print(mario.alive) # False
print(mario.energie) # 0