input: 
  def summarize_twitter_data(tweets: List[Dict[str, Union[str, int]]]) -> None:
      """ Summarize the Twitter data by plotting the number of tweets by author, number of likes, and number of retweets.
      Each tweet is represented as a dictionary with keys: 'author', 'date', 'text', 'likes', 'retweets'.
      >>> summarize_twitter_data([
          {'author': 'Alice', 'date': '2022-01-01', 'text': 'Hello', 'likes': 5, 'retweets': 2},
          {'author': 'Bob', 'date': '2022-01-02', 'text': 'Hi', 'likes': 3, 'retweets': 1},
          {'author': 'Alice', 'date': '2022-01-03', 'text': 'Howdy', 'likes': 7, 'retweets': 3}
      ])
      # This will plot three bar charts:
      # 1. Number of tweets by each author ('Alice' with 2 tweets, 'Bob' with 1 tweet)
      # 2. Number of likes for each tweet ('Hello' with 5 likes, 'Hi' with 3 likes, 'Howdy' with 7 likes)
      # 3. Number of retweets for each tweet ('Hello' with 2 retweets, 'Hi' with 1 retweet, 'Howdy' with 3 retweets)
      """
      import matplotlib.pyplot as plt
      from collections import Counter
      
      authors = [tweet['author'] for tweet in tweets]
      likes = [tweet['likes'] for tweet in tweets]
      retweets = [tweet['retweets'] for tweet in tweets]
      
      author_counts = Counter(authors)
      authors, num_tweets = zip(*author_counts.items())
      
      # Plot the tweet authors
      plt.xlabel('Tweet Authors')
      plt.ylabel('Number of tweets')
      plt.title('Tweet Author Summary')
      plt.bar(authors, num_tweets)
      plt.show()
      
      # Plot the number of likes
      plt.xlabel('Tweets')
      plt.ylabel('Number of Likes')
      plt.title('Number of Likes Summary')
      plt.bar(range(len(tweets)), likes)
      plt.show()
      
      # Plot the number of retweets
      plt.xlabel('Tweets')
      plt.ylabel('Number of Retweets')
      plt.title('Number of Retweets Summary')
      plt.bar(range(len(tweets)), retweets)
      plt.show()
  
output:     texts = [tweet['text'] for tweet in tweets]
      plt.xticks(range(len(tweets)), texts, rotation=45)
      plt.show()