input: Write a function to get the most recent tweets from a specified Twitter user using the Tweepy library. The function should return a list of tweets as strings. If the user does not exist or there are no tweets, return an empty list.
  
  
  import tweepy
  
  def get_recent_tweets(username):
      # 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)
      
      try:
          # Get the most recent tweets from the given user
          tweets = api.user_timeline(screen_name=username, count=5)  # Assuming we want the 5 most recent tweets
          return [tweet.text for tweet in tweets]
      except tweepy.TweepError:
          return []
  
  # Test cases
  assert get_recent_tweets("@elonmusk") != []  # Assuming @elonmusk has tweets
  assert get_recent_tweets("@nonexistentuser") == []  # Assuming the user does not exist
  assert get_recent_tweets("") == []  # No username provided
  
output: def get_recent_tweets(username):
      auth = tweepy.OAuthHandler("CONSUMER_KEY", "CONSUMER_SECRET")
      auth.set_access_token("ACCESS_TOKEN", "ACCESS_TOKEN_SECRET")
      api = tweepy.API(auth)
      try:
          tweets = api.user_timeline(screen_name=username, count=5)
          return [tweet.text for tweet in tweets]
      except tweepy.TweepError:
          return []