code: def get_market_news(ind, ind_upper):
      data = {
          "feed": [
              {
                  "title": "Palantir CEO Says Our Generation's Atomic Bomb Could Be AI Weapon - And Arrive Sooner Than You Think - Palantir Technologies  ( NYSE:PLTR ) ",
                  "summary": "Christopher Nolan's blockbuster movie \"Oppenheimer\" has reignited the public discourse surrounding the United States' use of an atomic bomb on Japan at the end of World War II.",
                  "overall_sentiment_score": 0.009687,
              },
              {
                  "title": '3 "Hedge Fund Hotels" Pulling into Support',
                  "summary": "Institutional quality stocks have several benefits including high-liquidity, low beta, and a long runway. Strategist Andrew Rocco breaks down what investors should look for and pitches 3 ideas.",
                  "banner_image": "https://staticx-tuner.zacks.com/images/articles/main/92/87.jpg",
                  "overall_sentiment_score": 0.219747,
              },
              {
                  "title": "PDFgear, Bringing a Completely-Free PDF Text Editing Feature",
                  "summary": "LOS ANGELES, July 26, 2023 /PRNewswire/ -- PDFgear, a leading provider of PDF solutions, announced a piece of exciting news for everyone who works extensively with PDF documents.",
                  "overall_sentiment_score": 0.360071,
              },
              {
                  "title": "Researchers Pitch 'Immunizing' Images Against Deepfake Manipulation",
                  "summary": "A team at MIT says injecting tiny disruptive bits of code can cause distorted deepfake images.",
                  "overall_sentiment_score": -0.026894,
              },
              {
                  "title": "Nvidia wins again - plus two more takeaways from this week's mega-cap earnings",
                  "summary": "We made some key conclusions combing through quarterly results for Microsoft and Alphabet and listening to their conference calls with investors.",
                  "overall_sentiment_score": 0.235177,
              },
          ]
      }
      feeds = data["feed"][ind:ind_upper]
      feeds_summary = "\n".join(
          [
              f"News summary: {f['title']}. {f['summary']} overall_sentiment_score: {f['overall_sentiment_score']}"
              for f in feeds
          ]
      )
      return feeds_summary
  
file_path: autogen/test/agentchat/test_async.py
imports: import pytest
  import asyncio
  import autogen
  from test_assistant_agent import KEY_LOC, OAI_CONFIG_LIST
  import sys
  import os
  from conftest import skip_openai
label_desc: Use image node_id 1 for calling a global function with example usage: get_market_news(ind, ind_upper) and returns: feeds_summary