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124 lines
2.6 KiB
Markdown
124 lines
2.6 KiB
Markdown
---
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id: 69a890af247de743333bd4cd
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title: "Challenge 224: Coffee Roast Detector"
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challengeType: 29
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dashedName: challenge-224
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---
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# --description--
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Given a string representing the beans used to make a cup of coffee, determine the roast of the cup.
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- The given string will contain the following characters, each representing a type of bean:
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- An apostrophe (`'`) is a light roast bean worth 1 point each.
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- A dash (`-`) is a medium roast bean worth 2 points each.
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- A period (`.`) is a dark roast bean worth 3 points each.
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- The roast level is determined by the average of all the beans.
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Return:
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- `"Light"` if the average is less than 1.75.
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- `"Medium"` if the average is 1.75 to 2.5.
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- `"Dark"` if the average is greater than 2.5.
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# --hints--
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`detect_roast("''-''''''-'-''--''''")` should return `"Light"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast("''-''''''-'-''--''''"), "Light")`)
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}})
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```
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`detect_roast(".'-''-''..'''.-.-''-")` should return `"Medium"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast(".'-''-''..'''.-.-''-"), "Medium")`)
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}})
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```
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`detect_roast("--.''--'-''.--..-.--")` should return `"Medium"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast("--.''--'-''.--..-.--"), "Medium")`)
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}})
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```
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`detect_roast("-...'-......-..-...-")` should return `"Dark"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast("-...'-......-..-...-"), "Dark")`)
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}})
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```
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`detect_roast(".--.-..-......----.'")` should return `"Medium"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast(".--.-..-......----.'"), "Medium")`)
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}})
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```
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`detect_roast("..-..-..-..-....-.-.")` should return `"Dark"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast("..-..-..-..-....-.-."), "Dark")`)
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}})
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```
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`detect_roast("-'-''''''..-'.''-'.'")` should return `"Light"`.
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```js
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({test: () => { runPython(`
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from unittest import TestCase
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TestCase().assertEqual(detect_roast("-'-''''''..-'.''-'.'"), "Light")`)
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}})
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```
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# --seed--
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## --seed-contents--
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```py
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def detect_roast(beans):
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return beans
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```
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# --solutions--
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```py
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def detect_roast(beans):
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total = 0
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for bean in beans:
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if bean == "'":
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total += 1
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elif bean == "-":
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total += 2
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elif bean == ".":
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total += 3
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avg = total / len(beans)
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if avg < 1.75:
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return "Light"
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elif avg <= 2.5:
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return "Medium"
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else:
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return "Dark"
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```
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