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66 lines
1.5 KiB
Markdown
66 lines
1.5 KiB
Markdown
---
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id: 6994cff2290543b3aec9f511
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title: "Challenge 212: Array Insertion"
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challengeType: 29
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dashedName: challenge-212
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---
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# --description--
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Given an array, a value to insert into the array, and an index to insert the value at, return a new array with the value inserted at the specified index.
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# --hints--
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`insert_into_array([2, 4, 8, 10], 6, 2)` should return `[2, 4, 6, 8, 10]`.
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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(insert_into_array([2, 4, 8, 10], 6, 2), [2, 4, 6, 8, 10])`)
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}})
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```
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`insert_into_array(["the", "quick", "fox"], "brown", 2)` should return `["the", "quick", "brown", "fox"]`.
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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(insert_into_array(["the", "quick", "fox"], "brown", 2), ["the", "quick", "brown", "fox"])`)
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}})
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```
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`insert_into_array([], 0, 0)` should return `[0]`.
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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(insert_into_array([], 0, 0), [0])`)
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}})
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```
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`insert_into_array([0, 1, 1, 2, 3, 8, 13], 5, 5)` should return `[0, 1, 1, 2, 3, 5, 8, 13]`.
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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(insert_into_array([0, 1, 1, 2, 3, 8, 13], 5, 5), [0, 1, 1, 2, 3, 5, 8, 13])`)
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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 insert_into_array(arr, value, index):
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return arr
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```
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# --solutions--
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```py
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def insert_into_array(arr, value, index):
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return arr[:index] + [value] + arr[index:]
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```
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