AttributeError: 'str' object has no attribute 'exists'

AttributeError: 'str' object has no attribute 'exists'错误通常是因为在代码中尝试访问一个字符串对象的不存在的属性。在这种情况下，根据提供的引用信息，该错误可能是由于在使用Pandas的DataFrame时调用了一个不存在的属性`exists`导致的。要解决这个问题，您需要检查代码中是否正确使用了Pandas的DataFrame，并确保没有调用不存在的属性。可以查看Pandas官方文档或相关的学习资源来了解DataFrame的正确用法和可用属性。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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