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71 lines
1.2 KiB
Markdown
71 lines
1.2 KiB
Markdown
---
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id: 68d30845cc08266018fc46be
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title: "Challenge 78: Integer Sequence"
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challengeType: 29
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dashedName: challenge-78
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---
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# --description--
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Given a positive integer, return a string with all of the integers from `1` up to, and including, the given number, in numerical order.
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For example, given `5`, return `"12345"`.
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# --hints--
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`sequence(5)` should return `"12345"`.
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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(sequence(5), "12345")`)
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}})
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```
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`sequence(10)` should return `"12345678910"`.
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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(sequence(10), "12345678910")`)
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}})
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```
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`sequence(1)` should return `"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(sequence(1), "1")`)
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}})
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```
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`sequence(27)` should return `"123456789101112131415161718192021222324252627"`.
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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(sequence(27), "123456789101112131415161718192021222324252627")`)
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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 sequence(n):
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return n
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```
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# --solutions--
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```py
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def sequence(n):
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result = ""
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for i in range(1, n + 1):
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result += str(i)
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return result
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```
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