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## Keep Cut
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### Instructions
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Create the `cutFirst` function that takes a string
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and remove the 2 first characters.
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Create the `cutLast` function that takes a string
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and remove the 2 last characters.
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Create the `cutFirstLast` function that takes a string as parameter
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and remove the 2 first characters and 2 last characters.
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Create a `keepFirst` function that takes a string as parameter
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and return the string only keeping the 2 first characters.
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Create a `keepLast` function that takes a string as parameter
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and return the string only keeping the 2 last characters.
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Create a `keepFirstLast` function that takes a string as parameter
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and only keep 2 first characters and 2 last characters.
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### Notions
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- [https://devdocs.io/javascript/global_objects/array/slice](https://devdocs.io/javascript/global_objects/array/slice)
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