PYTHON

Create a Grocery Calculator.

It will take in key-value pairs for items and their prices, and return the subtotal and total, and can print out the list for you for when you're ready to go to the store.

'''Algorithm: User enters key-value pairs that are added into a dict. Users tells script to return total, subtotal, and key-value pairs in a nicely formatted list.'''

***The use of classes and @classes should be used*** (Could it also be explained what each line of code is performing?)