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71 lines
2.8 KiB
Markdown
71 lines
2.8 KiB
Markdown
---
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id: 69cfca90e8a0a6d4d6871c53
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title: "Challenge 269: Allergen Friendly Meals"
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challengeType: 29
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dashedName: challenge-269
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---
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# --description--
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Given an array of meals and an array of allergens to avoid, return the names of all the meals that contain none of the given allergens.
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- Each meal is in the format `[meal, allergens]`, where `meal` is the name of the meal, and `allergens` is an array of the allergens the meal contains. For example, `["pasta", ["wheat", "milk"]]`.
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- Allergens to avoid will be an array of strings.
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Return safe meal names in the same order given. If no meal is safe, return an empty array.
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# --hints--
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`get_allergen_friendly_meals([["pasta", ["wheat", "milk"]], ["salad", ["nuts"]]], ["milk"])` should return `["salad"]`.
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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(get_allergen_friendly_meals([["pasta", ["wheat", "milk"]], ["salad", ["nuts"]]], ["milk"]), ["salad"])`)
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}})
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```
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`get_allergen_friendly_meals([["steak", ["soy"]], ["fried rice", []], ["fish tacos", ["fish", "wheat"]], ["chicken parmesan", ["wheat", "milk"]]], ["soy", "fish"])` should return `["fried rice", "chicken parmesan"]`.
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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(get_allergen_friendly_meals([["steak", ["soy"]], ["fried rice", []], ["fish tacos", ["fish", "wheat"]], ["chicken parmesan", ["wheat", "milk"]]], ["soy", "fish"]), ["fried rice", "chicken parmesan"])`)
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}})
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```
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`get_allergen_friendly_meals([["oatmeal", ["nuts"]], ["pancakes", ["wheat", "milk"]], ["granola", []], ["yogurt", ["milk"]], ["eggs", ["eggs", "milk"]], ["toast", ["wheat"]]], ["eggs", "milk"])` should return `["oatmeal", "granola", "toast"]`.
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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(get_allergen_friendly_meals([["oatmeal", ["nuts"]], ["pancakes", ["wheat", "milk"]], ["granola", []], ["yogurt", ["milk"]], ["eggs", ["eggs", "milk"]], ["toast", ["wheat"]]], ["eggs", "milk"]), ["oatmeal", "granola", "toast"])`)
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}})
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```
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`get_allergen_friendly_meals([["oatmeal", ["nuts"]], ["pancakes", ["wheat", "milk"]], ["granola", []], ["yogurt", ["milk"]], ["eggs", ["eggs", "milk"]], ["toast", ["wheat"]]], ["wheat", "nuts"])` should return `["granola", "yogurt", "eggs"]`.
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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(get_allergen_friendly_meals([["oatmeal", ["nuts"]], ["pancakes", ["wheat", "milk"]], ["granola", []], ["yogurt", ["milk"]], ["eggs", ["eggs", "milk"]], ["toast", ["wheat"]]], ["wheat", "nuts"]), ["granola", "yogurt", "eggs"])`)
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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 get_allergen_friendly_meals(meals, allergens):
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return meals
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```
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# --solutions--
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```py
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def get_allergen_friendly_meals(meals, allergens):
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return [name for name, meal_allergens in meals if not any(a in meal_allergens for a in allergens)]
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```
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