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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def peek(self):
 """Peeks at the first of the list without removing it."""

        c = self.connection.cursor()
        first_tweet_id = c.execute("SELECT tweet from tweetlist where label='first_tweet'").next()[0]
        if first_tweet_id is None:
            # No tweets are in the list, so return None
            return None

        tweet = c.execute("SELECT message from tweets WHERE id=?", (first_tweet_id,)).next()[0]

        c.close()
        return tweet