The above code is divided into different functions which include,

• welcome()
• home(address)
• login()
• register()
• validate(address, password)
• addToDatabase(address, password)
• transfer(address)

The welcome() function is called initially and then different functions are returned according to the instructions.

• ipywidgets - To create basic widgets. Click here.
• IPython.display - To displaye the created widgets. Click here.
• mysql.connector - To establish a connection to the sql server. Click here.
• urllib - To enter the cluster credentials. Click here.

This code makes use of database to store and access accounts.

We can either

• Create a new account in the database

or

• Modify the account

As the code makes use of databse, we can store info of many people. To know more about python-sql connection refer this link.

As the code progresses according to conditions, it is secure to use.

We can implement this in many Banking Applications.