Simple kata to get the overall cost of a basket given items.

• Docker

This will run a python container, which will install the dependencies and run the tests

This will run a python container, which will install the dependencies and will run the tests every time a file is saved

You should implement a supermarket checkout which:

• always accepts a string of items and gives back the total price
• discounts any offers from the total price

Use the following pricing information:

For example:

• 'DABA' gives 145
• 'BBBB' gives 90