Python Currency Exchange exercise : test case fails for Calculate value after | Exercism | Page 1

summer sageBOT Sep 9, 2025, 5:30 PM

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How you ask questions makes a huge difference in the help we can provide. Learn how to write good support requests in this article: http://bit.ly/howto-ask

open wigeon Sep 9, 2025, 5:30 PM

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Can you share what you need help with? Please do not use images to share text.

heavy hemlock Sep 9, 2025, 5:32 PM

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Did you think about reusing any of the existing functions?

open wigeon Sep 9, 2025, 5:37 PM

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@vivid depot

vivid depot Sep 9, 2025, 5:38 PM

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Python Currency Exchange exercise : test case fails for Calculate value after function

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Python Currency Exchange exercise : test case fails for Calculate value after

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@open wigeon
def exchangeable_value(budget, exchange_rate, spread, denomination):
"""

:param budget: float - the amount of your money you are planning to exchange.
:param exchange_rate: float - the unit value of the foreign currency.
:param spread: int - percentage that is taken as an exchange fee.
:param denomination: int - the value of a single bill.
:return: int - maximum value you can get.
"""
spread_value = spread / 100
effective_rate = exchange_rate * (1 - spread_value)
exchanged_amount = budget * effective_rate
max_value = (exchanged_amount // denomination) * denomination
return int(max_value)

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this is the function but not working

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i'm getting failed test cases

#Python Currency Exchange exercise : test case fails for Calculate value after