package: 03_barista.py
    author: Charles J McDonald «https://github.com/cjmcdonald42»

date written: 2026 January 12

barista

Students will code a customer service automaton; this example is a robot barista running a café.

Code features

• Introduce the shop and welcome the customer.
• Offer a menu of at least 5 products and / or services.
• Allow the customer to choose multiple products or services in a single order.
• (Bonus) Offer a customization option unique to at least one product or service.
• Calculate the total bill & collect money from the customer.
• (Bonus) Customer may tip their server.
• Print a receipt, give change, thank the customer.

Student code should include:

• A loop for the ordering cycle that resets for the next customer.
• A check to verify the order is valid