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67 lines
1.3 KiB
Markdown
67 lines
1.3 KiB
Markdown
---
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id: 69738771fb5a7b8b24cca2a3
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title: "Challenge 177: String Mirror"
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challengeType: 29
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dashedName: challenge-177
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---
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# --description--
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Given a string, return a new string that consists of the given string with a reversed copy of itself appended to the end of it.
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# --hints--
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`mirror("freeCodeCamp")` should return `"freeCodeCamppmaCedoCeerf"`.
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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(mirror("freeCodeCamp"), "freeCodeCamppmaCedoCeerf")`)
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}})
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```
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`mirror("RaceCar")` should return `"RaceCarraCecaR"`.
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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(mirror("RaceCar"), "RaceCarraCecaR")`)
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}})
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```
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`mirror("helloworld")` should return `"helloworlddlrowolleh"`.
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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(mirror("helloworld"), "helloworlddlrowolleh")`)
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}})
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```
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`mirror("The quick brown fox...")` should return `"The quick brown fox......xof nworb kciuq ehT"`.
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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(mirror("The quick brown fox..."), "The quick brown fox......xof nworb kciuq ehT")`)
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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 mirror(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 mirror(s):
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reversed_s = s[::-1]
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return s + reversed_s
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```
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