请教大家，我这个有问题啊。
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# 打败前来劫掠的食人魔，让他们把金币交出来！
def findMostHealth(enemies):
target = None
targetHealth = 0
enemyIndex = 0
while enemyIndex < len(enemies):
enemy = enemies[enemyIndex]
if enemy.health > targetHealth:
target = enemy
targetHealth = enemy.health
enemyIndex += 1
return target
def valueOverDistance(item):
return item.value / hero.distanceTo(item)
# 返回有最高 valueOverDistance(item) 的物品。
def findBestItem(items):
bestItem = None
bestValue = 0
itemsIndex = 0
# 循环于 items 数组内。
# 发现这个物品的最高 valueOverDistance()
while itemsIndex < len(items):
item = items[itemsIndex]
if valueOverDistance(item) >= valueOverDistance(bestItem):
bestItem = item
bestValue = item.value
itemsIndex += 1
return bestItem
while True:
enemies = hero.findEnemies()
enemy = findMostHealth(enemies)
if enemy and enemy.health > 15:
while enemy.health > 0:
hero.attack(enemy)
else:
coins = hero.findItems()
coin = None
coin = findBestItem(coins)
if coin:
hero.moveXY(coin.pos.x, coin.pos.y)

帮帮我呀

if valueOverDistance(item) >= valueOverDistance(bestItem):
改成if valueOverDistance(item) > bestValue:
if enemy and enemy.health > 15:
后面的没必要吧，改成if enemy:

def findMostHealth(enemies):
target = None
targetHealth = 0
enemyIndex = 0
while enemyIndex < len(enemies):
enemy = enemies[enemyIndex]
if enemy.health > targetHealth:
target = enemy
targetHealth = enemy.health
enemyIndex += 1
return target
def valueOverDistance(item):
return item.value / hero.distanceTo(item)
# 返回有最高 valueOverDistance(item) 的物品。
def findBestItem(items):
bestItem = None
bestValue = 0
itemsIndex = 0
# 循环于 items 数组内。
# 发现这个物品的最高 valueOverDistance()
while itemsIndex < len(items):
item = items[itemsIndex]
if valueOverDistance(item) > bestValue:
bestItem = item
bestValue = valueOverDistance(item)
itemsIndex += 1
return bestItem
while True:
enemies = hero.findEnemies()
enemy = findMostHealth(enemies)
if enemy and enemy.health > 15:
while enemy.health > 0:
hero.attack(enemy)
else:
coins = hero.findItems()
coin = None
coin = findBestItem(coins)
if coin:
hero.moveXY(coin.pos.x, coin.pos.y)
鞋子速度最好 +2.5
人物我换了“艾达女士”，不知道有没影响

后面那关怎么过啊 求教