Chat GPT Code in C#

using System;
 using System.Net.Http;
 using System.Threading.Tasks;
 using Newtonsoft.Json; 

class Program { 

static async Task Main(string[] args) {

var prompt = "Hello, how are you?";
var engine = "davinci";
 var maxTokens = 50; 
var apiKey = "YOUR_API_KEY";
 using (var client = new HttpClient()) { 
client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", apiKey); 

var requestBody = new { prompt = prompt, max_tokens = maxTokens, engine = engine }; 
var requestJson = JsonConvert.SerializeObject(requestBody); 
var requestContent = new StringContent(requestJson, System.Text.Encoding.UTF8, "application/json"); 
var response = await client.PostAsync("https://api.openai.com/v1/completions", requestContent); 
var responseContent = await response.Content.ReadAsStringAsync(); dynamic responseData = JsonConvert.DeserializeObject(responseContent); 
var outputText = responseData.choices[0].text; Console.WriteLine(outputText);
 }
 }
 }