位置参数OSX

Question

MAC终端说传递两个位置参数到take_damage方法IM ...

from enemy import Enemy 

random_monster = Enemy("Basic enemy", 12, 1) 
print(random_monster) 

random_monster.take_damage(4) 
print(random_monster) 

及其他文件在这里______________________

class Enemy: 

def __init__(self, name="Enemy", hit_points = 0, lives = 1): 
    self.name = name 
    self.hit_points = hit_points 
    self.lives = lives 

def take_damage(damage): 
    remaining_points = self.hit_points - take_damage 
    if remaining_points >= 0: 
     self.hit_points = remaining_points 
     print("i took {} damage and have {} left".format(damage, self.hit_points)) 
    else: 
     self.lives -= 1 

def __str__(self): 
    return "Name: {0.name}, Lives: {0.lives}, Hitpoints: {0.hit_points}".format(self) 

Answer 1

的所有方法都需要采取self以及作为任何其他论点。

def take_damage(self, damage):