pd.read_csv设置索引行

在使用pd.read_csv函数读取csv文件时，可以通过设置index_col参数来指定作为索引的行。例如，可以使用以下代码设置索引行：obj=pd.read_csv('testdata.csv',index_col=0)。在这个例子中，将csv文件中的第一列作为行索引。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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