UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc9 in position 0: invalid continuation byte

pandas读取一个文件出错。

data = pd.read_csv('D:/code/data/rating22.csv')

解决方案：用notepad++打开这个文件，将文件用Unicode编码重新保存。

Traceback (most recent call last):
  File "C:/xin/code/gitlab/datascience-py/search-sort/read-rating.py", line 5, in <module>
    data = pd.read_csv('D:/code/data/rating22-2.csv')
  File "C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parsers.py", line 678, in parser_f
    return _read(filepath_or_buffer, kwds)
  File "C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parsers.py", line 440, in _read
    parser = TextFileReader(filepath_or_buffer, **kwds)
  File "C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parsers.py", line 787, in __init__
    self._make_engine(self.engine)
  File "C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parsers.py", line 1014, in _make_engine
    self._engine = CParserWrapper(self.f, **self.options)
  File "C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\parsers.py", line 1708, in __init__
    self._reader = parsers.TextReader(src, **kwds)
  File "pandas\_libs\parsers.pyx", line 539, in pandas._libs.parsers.TextReader.__cinit__
  File "pandas\_libs\parsers.pyx", line 767, in pandas._libs.parsers.TextReader._get_header
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc9 in position 0: invalid continuation byte