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89 lines
1.7 KiB
Markdown
89 lines
1.7 KiB
Markdown
---
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id: 69306364df283fcaff2e1ada
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title: "Challenge 149: vOwElcAsE"
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challengeType: 29
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dashedName: challenge-149
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---
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# --description--
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Given a string, return a new string where all vowels are converted to uppercase and all other alphabetical characters are converted to lowercase.
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- Vowels are `"a"`, `"e"`, `"i"`, `"o"`, and `"u"` in any case.
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- Non-alphabetical characters should remain unchanged.
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# --hints--
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`vowel_case("vowelcase")` should return `"vOwElcAsE"`.
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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(vowel_case("vowelcase"), "vOwElcAsE")`)
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}})
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```
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`vowel_case("coding is fun")` should return `"cOdIng Is fUn"`.
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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(vowel_case("coding is fun"), "cOdIng Is fUn")`)
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}})
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```
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`vowel_case("HELLO, world!")` should return `"hEllO, wOrld!"`.
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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(vowel_case("HELLO, world!"), "hEllO, wOrld!")`)
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}})
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```
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`vowel_case("git cherry-pick")` should return `"gIt chErry-pIck"`.
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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(vowel_case("git cherry-pick"), "gIt chErry-pIck")`)
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}})
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```
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`vowel_case("HEAD~1")` should return `"hEAd~1"`.
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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(vowel_case("HEAD~1"), "hEAd~1")`)
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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 vowel_case(s):
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return s
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```
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# --solutions--
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```py
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def vowel_case(s):
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vowels = "aeiouAEIOU"
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result = ""
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for char in s:
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if char in vowels:
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result += char.upper()
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elif char.isalpha():
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result += char.lower()
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else:
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result += char
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return result
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```
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