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Learn Python 3 Fundamentals

Solution Review: Discounted Price

Explore how to implement selection statements in Python by reviewing a discounted price calculation. Understand the use of if, if-else, and elif conditions to apply varying discount rates depending on price values.

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Solution

Let’s explore the solution to the problem of discounted price.

Python 3.10.4
price = 250
if price >= 300:
    price *= 0.7  # (1 - 0.3)
elif price >= 200:
    price *= 0.8  # (1 - 0.2)
elif price >= 100:
    price *= 0.9  # (1 - 0.1)
elif price < 100 and price >= 0:
    price *= 0.95  # (1 - 0.05)
print(price)

Explanation

Here’s a line-by-line explanation of the code that calculates the discounted price:

  • Line 1: Initializes ...