def main():
    #界面对象(创建对象)
    admin = Admin()
    #打印管理员界面(调用方法)
    admin.printAdminView()
    if admin.adminOption():
        return -1
    atm = ATM()
    atm.creatUser()

    #admin.printsysFunctionView()
    while True:
        admin.printsysFunctionView()
        #等待用户的操作:
        option = input('请输入您的操作:')
        if option == '1':
            atm.allusers = {}
        elif option == '2':
            atm.searuserInfo()
        elif option == '3':
            print('取款')
        elif option == '4':
            print('存款')
        elif option == '5':
            print('转账')
        elif option == '6':
            print('改密')
        elif option == '7':
            print('锁定')
        elif option == '8':
            print('解锁')
        elif option == '9':
            print('补卡')
        elif option == '0':
            print('销户')
        elif option == 'a':
            if not admin.adminOption():
                return -1
        time.sleep(3)