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python之如何将 CSV 文件读入 Jupyter Notebook

2025年05月04日7shangdawei

我在将 CSV 文件读入 Jupyter Notebook 时遇到问题。这是代码:

import pandas as pd 
mpg = pd.read_csv('C:/Users/Ajibola/Documents/mpg.csv') 
mpg.head() 

这是我得到的错误:

File "<ipython-input-138-844bace16611>", line 1 
    mpg = pd.read_csv('C:\Users\Ajibola\Documents\mpg.csv') 
                     ^ 
SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape 
 

在 PATH 前面加上 r 后,我得到了错误:

--------------------------------------------------------------------------- 
UnicodeDecodeError                        Traceback (most recent call last) 
<ipython-input-140-a1289650ba91> in <module> 
----> 1 mpg = pd.read_csv(r'C:\Users\Ajibola\Documents\mpg.csv') 
      2 mpg.head() 
 
~\Anaconda3\lib\site-packages\pandas\io\parsers.py in parser_f(filepath_or_buffer, sep, delimiter, header, names, index_col, usecols, squeeze, prefix, mangle_dupe_cols, dtype, engine, converters, true_values, false_values, skipinitialspace, skiprows, skipfooter, nrows, na_values, keep_default_na, na_filter, verbose, skip_blank_lines, parse_dates, infer_datetime_format, keep_date_col, date_parser, dayfirst, iterator, chunksize, compression, thousands, decimal, lineterminator, quotechar, quoting, doublequote, escapechar, comment, encoding, dialect, tupleize_cols, error_bad_lines, warn_bad_lines, delim_whitespace, low_memory, memory_map, float_precision) 
    700                     skip_blank_lines=skip_blank_lines) 
    701  
--> 702         return _read(filepath_or_buffer, kwds) 
    703  
    704     parser_f.__name__ = name 
 
~\Anaconda3\lib\site-packages\pandas\io\parsers.py in _read(filepath_or_buffer, kwds) 
    427  
    428     # Create the parser. 
--> 429     parser = TextFileReader(filepath_or_buffer, **kwds) 
    430  
    431     if chunksize or iterator: 
 
~\Anaconda3\lib\site-packages\pandas\io\parsers.py in __init__(self, f, engine, **kwds) 
    893             self.options['has_index_names'] = kwds['has_index_names'] 
    894  
--> 895         self._make_engine(self.engine) 
    896  
    897     def close(self): 
 
~\Anaconda3\lib\site-packages\pandas\io\parsers.py in _make_engine(self, engine) 
   1120     def _make_engine(self, engine='c'): 
   1121         if engine == 'c': 
-> 1122             self._engine = CParserWrapper(self.f, **self.options) 
   1123         else: 
   1124             if engine == 'python': 
 
~\Anaconda3\lib\site-packages\pandas\io\parsers.py in __init__(self, src, **kwds) 
   1851         kwds['usecols'] = self.usecols 
   1852  
-> 1853         self._reader = parsers.TextReader(src, **kwds) 
   1854         self.unnamed_cols = self._reader.unnamed_cols 
   1855  
 
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader.__cinit__() 
 
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._get_header() 
 
UnicodeDecodeError: 'utf-8' codec can't decode bytes in position 0-1: invalid continuation byte 

我在社区中跑遍了相关问题和答案,但没有取得任何进展。非常感谢您的回答。

请您参考如下方法:

在与您的代码相同的文件夹中创建您的 .csv 文件。这会起作用

import pandas as pd 
data = pd.read_csv('data.csv') 
print(data)