Define a class bank account that includes the following data members 

• Name of Depositor 
• Account Number 
• Type of Account (Saving or current) 
• Balance amount in the account

The class contains the following member function 

• A constructor to assign initial values 
• Deposit function to deposit some amount. It should accept the amount as parameter.  Withdraw function to withdraw an amount after checking the balance. It should accept the amount as parameter. 
• Display function to display name and balance.
• Overload binary + operator that adds the balance of one account to another account. It should accept an object as parameter and add the values of the parameter to the calling object.