code: def amazon_elb_trace_id():
      
      amazon_request_id = request.headers.get('X-Amzn-Trace-Id', '')
      trace_id_params = dict(x.split('=') if '=' in x else (x, None) for x in amazon_request_id.split(';'))
      if 'Self' in trace_id_params:
          return trace_id_params['Self']
      if 'Root' in trace_id_params:
          return trace_id_params['Root']
  
      return None
docs: Get the amazon ELB trace id from current Flask request context
      :return: The found Trace-ID or None if not found
      :rtype: str | None