擅长:python、mysql、java
<p><code>Or</code>不像英国人或英国人那样工作。你应该这样做:</p>
<pre><code>if (varA in range(9)):
print("set 1")
elif(varA in range(9,16)):
print("set 2")
elif(varA in range(16,21)):
print("set 3")
</code></pre>
<p>或者,您可以:</p>
<pre><code>if (0 =< varA <= 8):
print("set 1")
elif (9 =< varA <= 15):
print("set 2")
elif (16 =< varA <= 20):
print("set 3")
</code></pre>