input: Write a function to fetch and print the most recent tweets from a given Twitter user using the Python library 'tweepy'. The function should take the username (including '@') as input and authenticate using provided API keys and tokens to retrieve and print the latest tweets.
  assert get_recent_tweets("@elonmusk")==["First tweet", "Second tweet", "Third tweet"]
  assert get_recent_tweets("@no_tweets_user")==[]
  assert get_recent_tweets("@invalid_username")==[]
  assert get_recent_tweets("@")==[]
  assert get_recent_tweets("")==[]
output: import tweepy
  
  def get_recent_tweets(username):
      api_key = "your_api_key"
      api_secret = "your_api_secret"
      access_token = "your_access_token"
      access_token_secret = "your_access_token_secret"
      
      auth = tweepy.OAuth1UserHandler(api_key, api_secret, access_token, access_token_secret)
      api = tweepy.API(auth)
      
      try:
          tweets = api.user_timeline(screen_name=username, count=3, tweet_mode="extended")
          return [tweet.full_text for tweet in tweets]
      except tweepy.TweepError:
          return []