CS50P Python | Week 2 | Loops | Problem Set 2 | Coke Machine
Welcome to another coding adventure! In this video, we're tackling CS50's Problem Set 2, the "Coke Machine" challenge. Join us as we delve into the world of Python programming.
In this problem, we're tasked with creating a program that simulates a Coke machine. Users can insert coins of 25 cents, 10 cents, and 5 cents denominations until they've paid at least 50 cents. Once the minimum amount is reached, the program calculates and displays the change owed to the user.
We explore two different solutions to this problem:
Solution 1:
We start with a main() function where we initialize the inserted_coins variable to 0 and set the initial amount due to 50 cents. Using a while loop, we prompt the user to insert coins until they've paid at least 50 cents. Inside the loop, we check if the inserted coin is valid and update the inserted_coins variable accordingly. Once the minimum amount is reached, we calculate and print the change owed to the user.
Solution 2:
In this version, we use a while True loop to continuously prompt the user for coin inputs. We employ continue and break statements to control the flow of the loop. If the inserted coin is invalid, we continue prompting the user. Once the minimum amount is reached, we break out of the loop and calculate the change owed.
Whether you prefer a structured approach with a control flow of your own, or another version where you can use continue and break as control flow statements, both versions achieve the same result: a fully functional Coke machine simulator!
So grab your favorite soda, sit back, and let's dive into the code together!
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