擅长:python、mysql、java
<p>应该是这样的:</p>
<pre><code>x = 'on round {round} {user1} has {user1score} \n {user2} has {user2score}'.format(
round = x, user1 = username1, user1score = player1_score, user2= username2, user2score = player2_score)
</code></pre>
<p>使用<code>.format()</code>方法可以将值插入占位符,即<code>round</code></p>