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## tell-me-who
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### Instructions
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Create a `tell-me-who.mjs` script that takes your directory path as an argument
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and print the names of all the guests in the
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console.
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The output must print one guest per line, in ascending alphabetic order, and
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formated as following: `Number. Lastname Firstname` (starting from 1).
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### Notions
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- [Node file system: `readdir`](https://nodejs.org/api/fs.html#fs_fspromises_readdir_path_options)
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- [`Promise.all()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all)
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- [`Array.prototype.map()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map)
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- [`String.prototype.split()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split)
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- [`Array.prototype.join()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join)
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- [`String.prototype.slice()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice)
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- [`String.prototype.concat()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/concat)
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- [`Array.prototype.sort()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)
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