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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def json_requested():
 """Check if json is the preferred output format for the request."""

    best = request.accept_mimetypes.best_match(
        ['application/json', 'text/html'])
    return (best == 'application/json' and
            request.accept_mimetypes[best] >
            request.accept_mimetypes['text/html'])