While Loop

A while loop repeats a block of code as long as a specific condition remains True

Control statements:

Printing with Additional Parameters

end=" ": By default, print() adds a new line at the end. end handles what goes at the very end of the printed line (instead of a default newline). Setting end=" " tells Python to stay on the same line (using a space instead of a newline).

sep=" " : Sep (Separator): Defines what character goes between multiple items inside a single print() statement (e.g., sep="-").

Write an interactive Python program that simulates an automated vending machine running in a continuous loop:

The Menu: Display the vending machine item list with exact codes and prices, plus an option to "EXIT" and checkout.
User Selection: Prompt the user for a choice. Use a match-case statement to handle valid codes by adding the item price to a running total, or handle the "EXIT" command to break out of the loop.
Checkout: When the user exits, display their final total amount due.

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SMART VENDING MACHINE - ITEM LIST

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[A1] Chocolate Bar - $1.25

[B2] Potato Chips - $1.50

[C3] Sparkling Water - $2.00

[D4] Gummy Bears - $1.75

[EXIT] Checkout and Finish

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Enter code or EXIT: B2

-> Added: Potato Chips ($1.50)

Enter code or EXIT: C3

-> Added: Sparkling Water ($2.00)

Enter code or EXIT: D4

-> Added: Gummy Bears ($1.75)

Enter code or EXIT: D4

-> Added: Gummy Bears ($1.75)

Enter code or EXIT: EXIT

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Final Total Due: $7.0

Thank you for using Smart Vending Machine!

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