Status Code Text
Easy · HTTP
Node ships a table of reason phrases in http.STATUS_CODES, for example http.STATUS_CODES[404] is "Not Found".
Write a function statusText(code) that returns the same text as Node for these codes: 200, 201, 204, 301, 304, 400, 401, 403, 404, 500.
For any other code return "Unknown" (Node knows many more codes, but here we only use this list).
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