'utf-8' codec can't decode byte 0xb7 in position 2: invalid start byte

这个错误是由于'utf-8'编码无法解码位于特定位置的字节0xb7导致的。解决方法有几种：
1. 你可以尝试继续读取文件，但是可能会出现乱码。可以使用以下代码来指定使用ISO-8859-1编码来读取文件：pd.read_csv('pathfile', encoding='ISO-8859-1')。
2. 可以尝试改用gbk编码来读取文件，可以使用以下代码进行改进：open函数的解释。
3. 如果遇到某些文件仍然报错，错误信息为"UnicodeDecodeError: 'gbk' codec can't decode byte 0x81 in position 414: illegal multibyte sequence"，可以将encoding方式改为GB18030来解决问题：df = pd.read_csv(file_path + '/' + filename[i], encoding='GB18030')。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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