擅长:python、mysql、java
<p>检查<code>Flag</code>成员身份的内置方法是使用标准Python <code>in</code>操作符:</p>
<pre><code>>>> second_case in WISENESS.Y
True
</code></pre>
<p>最后一个例子是:</p>
<pre><code>some_flag = ...
if WISENESS.Y in some_flag:
do_something_in_case_of_Y_or_MY_or_YD_or_YMD()
if WISENESS.M in some flag:
do_something_in_case_of_M_or_MD_or_YM_or_YMD()
if WISENESS.D in some flag:
do_something_in_case_of_D_or_MD_or_YD_or_YMD()
</code></pre>