String indices must be integers

Hi All, 

String indices must be integers
This is my code :

This code output :

What i need is....,

I need to fetch the ticker values from the output in the ticker_sentiment json format values that is in the below.

[{ticker=MSFT, ticker_sentiment_label=Somewhat-Bullish, ticker_sentiment_score=0.163239, relevance_score=0.04028}, {ticker=NVDA, ticker_sentiment_label=Somewhat-Bullish, ticker_sentiment_score=0.235239, relevance_score=0.48854}, {ticker=VMW, ticker_sentiment_label=Neutral, ticker_sentiment_score=0.056248, relevance_score=0.04028}, {ticker=AVGO, ticker_sentiment_label=Somewhat-Bullish, ticker_sentiment_score=0.274491, relevance_score=0.520477}]

I need output is MSFT. So,

I Witten this code :    print(news_json_1["json_object"]["ticker_sentiment"][0])

this code output is : [

so, I written this code :    print(news_json_1["json_object"]["ticker_sentiment"]["ticker"])

this code got error :     TypeError     Traceback          (most recent call last)

       print(news_json_1["json_object"]["time_published"])

        print(news_json_1["json_object"]["url"])

---> print(news_json_1["json_object"]["ticker_sentiment"][0]["ticker"])

TypeError: string indices must be integers

How to fetch the first ticker?

Please help me.

Thanks in advance.

I need to fetch the ticker value from the output.