自动售货系统

我有点怀疑在线测试的正确性
自己在本地测试，用的用例和在线测试一样，没有错误。只是少了末尾那个莫名其妙的初始化。
下面是我的代码(python 3)：

class Goods(object):
    """Goods Class"""
    def __init__(self, name = 'g', price = 0, count = 0):
        self.name = name
        self.price = price
        self.count = count
    def set_count(self, c):
        self.count = c
class Cash(object):
    """Cash Class"""
    def __init__(self, name = 'yuan', denomination = 0, count = 0):
        self.name = name
        self.denomination = denomination
        self.count = count
    def set_count(self, c):
        self.count = c
shelf = {'A1':2, 'A2':3, 'A3':4, 'A4':5, 'A5':8, 'A6':6}
bank = {'10 yuan':10, '5 yuan':5, '2 yuan':2, '1 yuan':1}
A1 = Goods(name = 'A1', price = shelf['A1'])
A2 = Goods(name = 'A2', price = shelf['A2'])
A3 = Goods(name = 'A3', price = shelf['A3'])
A4 = Goods(name = 'A4', price = shelf['A4'])
A5 = Goods(name = 'A5', price = shelf['A5'])
A6 = Goods(name = 'A6', price = shelf['A6'])

C_10 = Cash(name = '10 yuan coin', denomination = 10)
C_5 = Cash(name = '5 yuan coin', denomination = 5)
C_2 = Cash(name = '2 yuan coin', denomination = 2)
C_1 = Cash(name = '1 yuan coin', denomination = 1)


Initialization = False
p_pay = 0
balance = 0
while True:
    try:
        code = input().strip().split(';')

        if code[-1] == '':
            code.pop()
        for c in code:
            #initialization
            if c[0] == 'r':
                r_good = c.split(' ')[1].split('-')
                r_cash = c.split(' ')[2].split('-')

                A1.set_count(int(r_good[0]))
                A2.set_count(int(r_good[1]))
                A3.set_count(int(r_good[2]))
                A4.set_count(int(r_good[3]))        
                A5.set_count(int(r_good[4]))
                A6.set_count(int(r_good[5]))    

                C_10.set_count(int(r_cash[0]))
                C_5.set_count(int(r_cash[1]))
                C_2.set_count(int(r_cash[2]))
                C_1.set_count(int(r_cash[3]))

                print('S001:Initialization is successful')

            #pay
            elif c[0] == 'p':
                p_pay = int(c.split(' ')[1])
                if p_pay not in [1,2,5,10]:
                    print('E002:Denomination error')
                elif p_pay > 10:
                    print('E004:Pay the balance is beyond the scope biggest')
                elif (C_1.denomination*C_1.count + C_2.denomination*C_2.count) < p_pay:
                    if p_pay in [5,10]:
                        print('E003:Change is not enough, pay fail')
                    elif p_pay in [1,2]:
                        if (A1.count + A2.count + A3.count + A4.count + A5.count + A6.count) ==0:
                            print('E005:All the goods sold out')
                        else:
                            balance = balance + p_pay
                            locals()['C_' + str(p_pay)].set_count(locals()['C_' + str(p_pay)].count + 1)
                            print('S002:Pay success,balance=',balance)
                else:
                    if (A1.count + A2.count + A3.count + A4.count + A5.count + A6.count) >0:
                        balance = balance + p_pay
                        locals()['C_' + str(p_pay)].set_count(locals()['C_' + str(p_pay)].count + 1)
                        print('S002:Pay success,balance=',balance)

            #buy
            elif c[0] == 'b':
                b_buy = c.split(' ')[1]
                if b_buy not in shelf.keys():
                    print('E006:Goods does not exist')
                    #break
                elif locals()[b_buy].count == 0:
                    print('E007:The goods sold out')

                elif balance < locals()[b_buy].price:
                    print('E008:Lack of balance')

                else:

                    balance = balance - locals()[b_buy].price
                    locals()[b_buy].set_count(locals()[b_buy].count - 1)

                    print('S003:Buy success,balance=',balance)

            #c 退币
            elif c[0] == 'c':
                c_cell = []
                bank_denomination = sorted(bank.items(),key = lambda item:item[1], reverse = True)
                for k in range(len(bank_denomination)):
                    c_num =  balance//(bank_denomination[k][1])
                    balance = balance%(bank_denomination[k][1])
                    c_cell.append(c_num)
                for l in range(len(bank_denomination)):
                    #locals()['C_' + str(bank_denomination[-1 - l][1])].set_count(locals()['C_' + str(bank_denomination[-1 - l][1])].count - c_cell[-1 - l])
                    locals()['C_' + str(bank_denomination[-1 - l][1])].set_count(locals()['C_' + str(bank_denomination[-1 - l][1])].count - c_cell[-1 - l]) 
                    print(bank_denomination[-1 - l][0] + ' coin number=' + str(c_cell[-1 - l]))

                balance = 0
                p_pay = 0

            #query
            elif c[0] == 'q':

                if ' ' not in c:
                    print('E010:Parameter error')
                    #break
                else:
                    q_category = c.split(' ')[1]
                    if q_category not in ['0','1']:
                        print('E010:Parameter error')
                        #break   

                    elif q_category == '0':
                        for g in range(6):
                            g_name = 'A'+str(g+1)
                            print(locals()[g_name].name + ' ' + str(locals()[g_name].price) + ' ' + str(locals()[g_name].count))
                    elif q_category == '1':
                        for g in range(4):
                            g_name = 'C_' + str(sorted(bank.items(), key = lambda item:item[1])[g][1])
                            print(locals()[g_name].name + ' number=' + str(locals()[g_name].count))

    except:
        break

class sell:
    
    def __init__(self):
        self.A = None
        self.N_A = None
        self.money = None
        self.balance = 0
        
    def dostring(self,s):
        s = s.split(";")
        self.init(s[0])
        for i in range(1,len(s)):
            if len(s[i])>0:
                if s[i][0]=="p":self.OpPay(s[i])
                if s[i][0]=='b':self.OpBuy(s[i])
                if s[i][0]=='c':self.OpChange()
                if s[i][0]=='q':self.OpQuary(s[i])
        return
    
    def init(self,a):
        a = a.replace("-"," ")
        a = a.split()
        for i in range(len(a)):
            if a[i]=='r':
                self.A = {'A1':[2,int(a[i+1])],'A2':[3,int(a[i+2])],'A3':[4,int(a[i+3])],'A4':[5,int(a[i+4])],'A5':[8,int(a[i+5])],'A6':[6,int(a[i+6])]}
                self.N_A = [int(a[i+j]) for j in range(1,7)]
        self.money = {1:int(a[7]),2:int(a[8]),5:int(a[9]),10:int(a[10])}
        print("S001:Initialization is successful")
    
    def OpPay(self,temp):
        temp2 = temp.split(" ")
        p = int(temp2[1])
        if p not in [1,2,5,10]:
            print("E002:Denomination error")
            return
        M = 1 * self.money[1] + 2 * self.money[2]
        if (M < p)&(p not in [1,2]):
            print("E003:Change is not enough, pay fail")
            return
        if p>10:
            print("E004:Pay the balance is beyond the scope biggest")
            return
        if sum(self.N_A)==0:
            print("E005:All the goods sold out")
            return
        else:
            self.money[p] = self.money[p]+1
            self.balance = self.balance + p
            print("S002:Pay success,balance="+str(self.balance))
    
    def OpBuy(self,temp):
        temp2 = temp.split(" ")
        b = temp2[1]
        if b not in self.A:
            print("E006:Goods does not exist")
            return
        if self.A[b][1] == 0:
            print("E007:The goods sold out")
            return 
        if self.balance < self.A[b][0]:
            print("E008:Lack of balance")
            return        
        self.balance = self.balance-self.A[b][0]
        print("S003:Buy success,balance="+str(self.balance))
    
    def OpChange(self):
        c = self.balance
        if c == 0:
            print("E009:Work failure",end='')
        else:
            T = [0,0,0,0]
            while c > 0:
                if (c >= 10) & (self.money[10]>0):
                    T[3] = T[3]+1
                    c = c - 10
                    self.money[10] = self.money[10] - 1
                elif (c >= 5) & (self.money[5]>0):
                    T[2] = T[2]+1
                    c = c - 5
                    self.money[5] = self.money[5] - 1
                elif (c >= 2) & (self.money[2]>0):
                    T[1] = T[1]+1
                    c = c - 2
                    self.money[2] = self.money[2] - 1
                elif c > self.money[1]:
                    T[0] = T[0]+self.money[1]
                    self.money[1] = 0
                    c = 0
                else:
                    T[0] = T[0]+c
                    self.money[1] = self.money[1]-c
                    c = c - 1
            print("1 yuan coin number="+str(T[0]))
            print("2 yuan coin number="+str(T[1]))
            print("5 yuan coin number="+str(T[2]))
            print("10 yuan coin number="+str(T[3]))
            self.balance = 0
        
    def OpQuary(self,temp):
        if temp == 'q 0':
            for v in self.A:
                print(v+str(self.A[v][0])+str(self.A[v][1]))
        if temp == 'q 1':
            print("1 yuan coin number="+str(self.money[1]))
            print("2 yuan coin number="+str(self.money[2]))
            print("5 yuan coin number="+str(self.money[5]))
            print("10 yuan coin number="+str(self.money[10]))
        else:
            print("E010:Parameter error",end='')

if __name__ == '__main__':
    while True:
        try:
            S = sell()
            a = input()
            S.dostring(a)
        except:break

def sys_init(s):
    goods = [['A1',2],['A2,3'],['A3',4],['A4',5],['A5',8],['A6',6]]
    case = [[1],[2],[5],[10]]
    goods_init, case_init = s.split()[1].split("-"), s.split()[2].split("-")
    for i in range(6):
        goods[i].append(int(goods_init[i]))
    for i in range(4):
        case[i].append(int(case_init[i]))
    print("S001:Initialization is successful")
    return goods,case
        
def deliver(s):
    global rest, goods, case
    coin = int(s.split()[1])
    templist = [1,2,5,10]
    if coin in templist:
        case[templist.index(coin)][1] += 1
    rest += coin
    if coin not in [1,2,5,10]:
        print("E002:Denomination error")
    elif 1*case[0][1] + 2*case[1][1] < coin and coin not in [1,2]:
        print("E003:Change is not enough, pay fail")
    elif coin > 10:
        print("E004:Pay the balance is beyond the scope biggest")
    elif case[0][1] == 0 and case[1][1] == 0 and case[2][1] == 0 and case[3][1] == 0:
        print("E005:All the goods sold out")
    else:
        print("S002:Pay success,balance=%d" % rest)
        
def purchase(s):
    global rest, goods, case
    name = s.split()[1]
    if name not in ['A1','A2','A3','A4','A5','A6']:
        print("E006:Goods does not exist")
    elif goods[int(name[1])-1][2] == 0:
        print("E007:The goods sold out")
    elif rest < goods[int(name[1])-1][1]:
        print("E008:Lack of balance")
    else:
        rest -= goods[int(name[1])-1][1]
        goods[int(name[1])-1][2] -= 1
        print("S003:Buy success,balance=%d" % rest)
        
def back(s):
    global rest, goods, case
    backlist = []
    if rest == 0:
        print("E009:Work failure")
    else:
        for i in range(3,-1,-1):
            if rest//case[i][0] < case[i][1]:
                backlist.append(rest//case[i][0])
            else:
                backlist.append(case[i][1])
            rest = rest - backlist[3-i] * case[i][0]
    for i in range(4):
        print("%d yuan coin number=%d" % (case[i][0],backlist[3-i]))
        
def equiry(s):
    global goods, case
    if len(s.split()) == 2:
        ask = int(s.split()[1])
    else:
        ask = -1
    if ask == 0:
        templist = [goods[0][2],goods[1][2],goods[2][2],goods[3][2],\
                    goods[4][2],goods[5][2]]
        while len(templist) > 0:
            x = max(templist)
            while x in templist:
                templist.remove(x)
            for i in range(6):
                if goods[i][2] == x:
                    print(goods[i][0]," ",goods[i][1]," ",goods[i][2]," ")
    elif ask == 1:
        for i in range(4):
            print("%d yuan coin number=%d" % (case[i][0],case[i][1]))
    else:
        print("E010:Parameter error", end = "")
        
while True:
    try:
        order = input().split(";")
        order2 = input().split(";")
        rest = 0
        for i in range(len(order)):
            if order[i][0] == "r":
                goods, case = sys_init(order[i])
            elif order[i][0] == "p":
                deliver(order[i])
            elif order[i][0] == "b":
                purchase(order[i])
            elif order[i][0] == "c":
                back(order[i])
            elif order[i][0] == "q":
                equiry(order[i])
    except:
        break