1、定义一个类实现银行帐户的概念，其属性有“帐号”和“存款余额”，方法有“存款”、“取款”、“查询余额”和“显示帐号”。再定义主类，创建帐户类的对象，并完成相应操作。-1, define a class that implements the concept of bank accounts, and its attributes are "Account" and "deposits", the method of "deposits", "withdrawal", "balance inqu