A Coffee Machine in Python to buy an Espresso, a Latte or a Cappuccino. You can do the following:

1. Switch off the machine.
2. Check the existing resources in the machine.
3. Order an Espresso, a Latte or a Cappuccino.
4. Pay using coins in USD - Quarters, Dimes, Nickels or Pennies.
5. Get change as per the drink price.