input: from typing import List
  
  def fetch_recent_tweets(api: object, username: str) -> List[str]:
      """
      Fetches the most recent tweets from a given Twitter user using the Tweepy API.
      Returns a list of tweet texts.
      >>> fetch_recent_tweets(api, "@elonmusk")
      ['Most recent tweet 1 content', 'Most recent tweet 2 content', 'Most recent tweet 3 content']
      """
output:     tweets = api.user_timeline(screen_name=username, count=3, tweet_mode="extended")
      return [tweet.full_text for tweet in tweets]