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92 lines
2.1 KiB
Markdown
92 lines
2.1 KiB
Markdown
---
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id: 68e39ed6106dac2f0a98fd64
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title: "Challenge 82: SpOoKy~CaSe"
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challengeType: 29
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dashedName: challenge-82
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---
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# --description--
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Given a string representing a variable name, convert it to "spooky case" using the following constraints:
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- Replace all underscores (`_`), and hyphens (`-`) with a tilde (`~`).
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- Capitalize the first letter of the string, and every other letter after that. Ignore the tilde character when counting. Make all other letters lowercase.
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For example, given `hello_world`, return `HeLlO~wOrLd`.
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# --hints--
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`spookify("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(spookify("hello_world"), "HeLlO~wOrLd")`)
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}})
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```
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`spookify("Spooky_Case")` should return `"SpOoKy~CaSe"`.
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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(spookify("Spooky_Case"), "SpOoKy~CaSe")`)
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}})
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```
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`spookify("TRICK-or-TREAT")` should return `"TrIcK~oR~tReAt"`.
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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(spookify("TRICK-or-TREAT"), "TrIcK~oR~tReAt")`)
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}})
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```
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`spookify("c_a-n_d-y_-b-o_w_l")` should return `"C~a~N~d~Y~~b~O~w~L"`.
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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(spookify("c_a-n_d-y_-b-o_w_l"), "C~a~N~d~Y~~b~O~w~L")`)
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}})
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```
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`spookify("thE_hAUntEd-hOUsE-Is-fUll_Of_ghOsts")` should return `"ThE~hAuNtEd~HoUsE~iS~fUlL~oF~gHoStS"`.
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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(spookify("thE_hAUntEd-hOUsE-Is-fUll_Of_ghOsts"), "ThE~hAuNtEd~HoUsE~iS~fUlL~oF~gHoStS")`)
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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 spookify(boo):
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return boo
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```
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# --solutions--
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```py
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def spookify(boo):
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replaced = boo.replace("_", "~").replace("-", "~")
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result = []
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capitalize = True
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for char in replaced:
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if char == "~":
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result.append(char)
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else:
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result.append(char.upper() if capitalize else char.lower())
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capitalize = not capitalize
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return "".join(result)
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```
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