Python Coding challenge - Day 668| What is the output of the following Python Code?

 

Code Explanation:

Line 1 — Define a function factory

def make_discount(discount_percent):

Creates a function (make_discount) that takes a percentage (e.g., 10 for 10%).

This outer function will produce a specialized discounting function and remember the given percentage.

Lines 2–3 — Define the inner function (the actual discounter)

    def discount(price):

        return price * (1 - discount_percent / 100)

discount(price) is the function that applies the discount to any price.

It computes the multiplier 1 - discount_percent/100.

For discount_percent = 10, that’s 1 - 0.10 = 0.90, so it returns price * 0.9.

Note: discount_percent comes from the outer scope and is captured by the inner function—this is a closure.

Line 4 — Return the inner function

    return discount

Hands back the configured discount function (with the chosen percentage baked in).

Line 5 — Create a 10% discount function

ten_percent_off = make_discount(10)

Calls the factory with 10, producing a function that will always apply 10% off.

ten_percent_off is now effectively: lambda price: price * 0.9.

Line 6 — Use it and print the result

print(ten_percent_off(200))

Computes 200 * 0.9 = 180.0

Printed output: 

180.0

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