input: 
  def get_recent_tweets(username: str, consumer_key: str, consumer_secret: str, access_token: str, access_token_secret: str) -> str:
      """
      Queries Twitter to get the most recent tweets from a given user and returns the tweets as a concatenated string.
      
      >>> get_recent_tweets("@elonmusk", "CONSUMER_KEY", "CONSUMER_SECRET", "ACCESS_TOKEN", "ACCESS_TOKEN_SECRET")
      'Most recent tweets from @elonmusk...'
      """
      import tweepy
      
      # Authenticate to Twitter
      auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
      auth.set_access_token(access_token, access_token_secret)
      
      # Create API object
      api = tweepy.API(auth)
      
      # Get the most recent tweets from the given user
      tweets = api.user_timeline(screen_name=username)
      
      # Concatenate the tweets into a single string
      tweet_texts = [tweet.text for tweet in tweets]
      return " ".join(tweet_texts)
  
output:     import tweepy
      
      # Authenticate to Twitter
      auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
      auth.set_access_token(access_token, access_token_secret)
      
      # Create API object
      api = tweepy.API(auth)
      
      # Get the most recent tweets from the given user
      tweets = api.user_timeline(screen_name=username)
      
      # Concatenate the tweets into a single string
      tweet_texts = [tweet.text for tweet in tweets]
      return " ".join(tweet_texts)