python 編寫一個銀行卡類，具備帳號，人名與餘額屬性。編寫提款機類，接收一張銀行卡，而且具備存款，提款，查詢餘額，轉帳功能

class BankCard: def __init__(self, account, name, balance): self.account = account self.name = name self.balance = balance def save_money(self, money): self.ba

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