Can customize message of server

basic_server/server.py

@@ -1,4 +1,10 @@
 from http.server import BaseHTTPRequestHandler, HTTPServer
+import os
+
+message = "Hello, World! Here is simple HTTP response..."
+
+if "MESSAGE" in os.environ:
+    message = os.environ["MESSAGE"]
 
 PORT = 80
 
@@ -6,11 +12,13 @@ print(f"Will listen on port {PORT}")
 
 class handler(BaseHTTPRequestHandler):
     def do_GET(self):
+        global message
+
         self.send_response(200)
         self.send_header('Content-type','text/html')
         self.end_headers()
 
-        message = "Hello, World! Here is simple HTTP response...\n"
+        message = f"{message}\n"
         self.wfile.write(bytes(message, "utf8"))
 
 with HTTPServer(('', PORT), handler) as server: