input: def get_recent_tweets(username: str) -> str:
      """
      Query Twitter to get the most recent tweets from a specified user and return the tweets as a formatted string.
  
      >>> get_recent_tweets("@elonmusk")
      "First tweet\\nSecond tweet\\nThird tweet"
      """
output:     import tweepy
      from tweepy import OAuthHandler
  
      consumer_key = 'your_consumer_key'
      consumer_secret = 'your_consumer_secret'
      access_token = 'your_access_token'
      access_token_secret = 'your_access_token_secret'
  
      auth = OAuthHandler(consumer_key, consumer_secret)
      auth.set_access_token(access_token, access_token_secret)
      api = tweepy.API(auth)
  
      tweets = api.user_timeline(screen_name=username, count=3, tweet_mode="extended")
      formatted_tweets = "\n".join([tweet.full_text for tweet in tweets])
  
      return formatted_tweets