from http.server import SimpleHTTPRequestHandler, HTTPServer

class fuwuqi(SimpleHTTPRequestHandler):
	def do_POST(self):
		self.send_response(200)
		self.send_header('Content-type', 'text/html')
		self.end_headers()
		self.wfile.write('hi!'.encode('utf-8'))

HTTPServer(('localhost', 4200), fuwuqi).serve_forever()