判断字符串是否为空 python

在Python中，判断字符串是否为空有多种方法。一种方法是使用len(a.strip()) > 0来判断字符串的长度是否大于0。这个方法会将字符串首尾的空格去除后再进行判断。如果去除空格后的字符串长度大于0，则说明字符串不为空。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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