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68 lines
1.5 KiB
Markdown
68 lines
1.5 KiB
Markdown
---
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id: 69738771fb5a7b8b24cca2a4
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title: "Challenge 178: Truncate the Text"
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challengeType: 29
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dashedName: challenge-178
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---
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# --description--
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Given a string, return it as-is if it's 20 characters or shorter. If it's longer than 20 characters, truncate it to the first 17 characters and append `"..."` to the end of it (so it's 20 characters total) and return the result.
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# --hints--
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`truncate_text("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(truncate_text("Hello, world!"), "Hello, world!")`)
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}})
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```
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`truncate_text("This string should get truncated.")` should return `"This string shoul..."`.
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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(truncate_text("This string should get truncated."), "This string shoul...")`)
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}})
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```
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`truncate_text("Exactly twenty chars")` should return `"Exactly twenty chars"`.
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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(truncate_text("Exactly twenty chars"), "Exactly twenty chars")`)
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}})
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```
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`truncate_text(".....................")` should return `"...................."`.
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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(truncate_text("....................."), "....................")`)
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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 truncate_text(text):
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return text
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```
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# --solutions--
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```py
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def truncate_text(text):
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if len(text) <= 20:
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return text
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return text[:17] + "..."
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```
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