OOP fiddle Jaxon | Python Fiddle

class CreditCard(object):
    
    def __init__(self,customerName,bankName,accnt,limit):
        
        self.Customer = customerName
        self.Bank = bankName
        self.BankAccount = accnt
        self.CreditLimit = limit
        self.Balance = 0
        
    def GetCustomer(self):
        return self.Customer
    
    def GetBank(self):
        return self.Bank
    
    def GetBankAccount(self):
        return self.BankAccount
    
    def GetCreditLimit(self):
        return self.CreditLimit
    
    def GetBalance(self):
        return self.Balance
    
    def Credit(self,Amount):
        self.Balance += Amount
        return True
    
    def Debit(self,Amount):
        self.Balance -= Amount
      	return True

class Foo():
    def __init__(self):
        self.Name = "Bar"
        
    def SayHello(self):
        return "Hello " + self.Name

class PredatoryCreditCard(CreditCard):
    	def __init__(self,Customer,bankName,Account,Limit,APR,AnnualFee):
            
            CreditCard.__init__(self,Customer,bankName,Account,Limit)
            self.APR = APR
            self.AnnualFee = AnnualFee
            
        def ChargeFee(self,amount):
                self.Balance -= amount
              	return True
            
        def IncreaseAPR(self,pctg):
                APR += pctg
                return True
            
        def GetBalance(self):
            self.Balance = self.Balance * (1 - self.APR)
            return self.Balance

try:    
    oCC = CreditCard('Bob Jones','BofA','123-45-678-0203',10000)
    oCC.Credit(1000)
    print(oCC.Balance)
    
    oCC.Debit(5000)
    print(oCC.Balance)
    
    oFoo = Foo()
    Msg = oFoo.SayHello()
    print(Msg)
    
    oPCC = PredatoryCreditCard('Billy Joe','First Tech','1001',5000,.122,125)
    oPCC.Credit(1000)
    oPCC.ChargeFee(250)
    print(oPCC.Balance)
    NewBalance = oPCC.GetBalance()
    print(oPCC.Balance)
except:
    print("AAAAAAAAAAAAAAAAAAAAAGH")
else:
    print("Whew!!!"

Python Fiddle

Python Cloud IDE