关于python：ValueError：list.remove（x）：虽然传递了条件检查，但x不在列表中

ValueError: list.remove(x): x not in list although condition check is passed

我一直在跟踪如何像计算机科学家一样思考，我遇到了这个错误。代码如下：

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class Card:
suitList = ["Clubs","Diamonds","Hearts","Spades"]
rankList = ["narf","Ace","2","3","4","5","6","7","8",
"9","10","Jack","Queen","King"]
</p>

[cc lang="python"]def __init__(self, suit=0, rank=2):
self.suit = suit
self.rank = rank

def __str__(self):
return (self.rankList[self.rank] +" of" +
self.suitList[self.suit])

def __cmp__(self, other):
if self.suit == 1: return 1
if self.suit > other.suit: return 1
if self.suit < other.suit: return -1
if self.rank > other.suit: return 1
if self.rank < other.suit: return -1
return 0

舱面：def init(自身)：self.cards=[范围(4)内的西服(西服，军衔)范围(1,14)内的军衔]

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def __str__(self):
s =""
for i in range(len(self.cards)):
s = s +""*i + str(self.cards[i]) +"
"
return s

def shuffle(self):
import random
nCards = len(self.cards)
for i in range(nCards):
j = random.randrange(i, nCards)
self.cards[i], self.cards[j] = self.cards[j], self.cards[i]

def removeCard(self, card):
if card in self.cards:
self.cards.remove(card)
return True
else:
return False

def popCard(self):
return self.cards.pop()

def isEmpty(self):
return (len(self.cards) == 0)

def deal(self, hands, nCards = 999):
nHands = len(hands)
for i in range(nCards):
if self.isEmpty(): break
card = self.popCard()
hand = hands[i % nHands]
hand.addCard(card)

号

班手(甲板)：def init(self，name=")：self.cards=[]self.name=姓名

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def addCard(self, card):
self.cards.append(card)

def __str__(self):
s ="Hand" + self.name
if self.isEmpty():
return s +" is empty
"
else:
return s +" contains
" + Deck.__str__(self)

类别卡片名称：def init(自身)：self.deck=甲板()self.deck.shuffle()。

老处女(手)：def removematches(自我)：计数=0originalcards=self.cards[：]对于原始卡中的卡：匹配=卡(3-card.suit，card.rank)如果在self.cards中匹配：自我卡。移除(卡)自我卡。移除(匹配)打印"手牌%s:%s与%s"%(self.name，card，match)计数=计数+1返回计数[/cc]

我得到的错误是：

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Traceback (most recent call last):
File"<pyshell#3>", line 1, in <module>
hand.removeMatches()
File"C:\Users\Lin\projects\thinkcs\cardgame.py", line 89, in removeMatches
self.cards.remove(match)
ValueError: list.remove(x): x not in list