title: Error reading a csv file in jupyter notebook
body: <p>The following is my code snippet I try to run in my jupyter notebook:</p>
  
  <pre><code>import os
  #print(os.path.expanduser("~"))
  
  import pandas as pd
  data = pd.read_csv("C:\Users\sonaw\Data\dump4.csv")
  print(data)
  </code></pre>
  
  <p>This is the error message I get when running the code snippet:</p>
  
  <pre><code>FileNotFoundError                         Traceback (most recent call last)
  &lt;ipython-input-26-535fb23b20c4&gt; in &lt;module&gt;()
        1 import pandas as pd
        2 data_filename = "dump4.csv"
  ----&gt; 3 dataset = pd.read_csv("C:/Users/sonaw/Data/dump4.csv")
        4 print(dataset.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, 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, escapechar, comment, encoding, dialect, tupleize_cols, error_bad_lines, warn_bad_lines, skipfooter, skip_footer, doublequote, delim_whitespace, as_recarray, compact_ints, use_unsigned, low_memory, buffer_lines, memory_map, float_precision)
  --&gt; 709         return _read(filepath_or_buffer, kwds)
  
  ~\Anaconda3\lib\site-packages\pandas\io\parsers.py in _read(filepath_or_buffer, kwds)
  --&gt; 449     parser = TextFileReader(filepath_or_buffer, **kwds)
  
  ~\Anaconda3\lib\site-packages\pandas\io\parsers.py in __init__(self, f, engine, **kwds)
  --&gt; 818         self._make_engine(self.engine)
  
  ~\Anaconda3\lib\site-packages\pandas\io\parsers.py in _make_engine(self, engine)
  -&gt; 1049             self._engine = CParserWrapper(self.f, **self.options)
  
  ~\Anaconda3\lib\site-packages\pandas\io\parsers.py in __init__(self, src, **kwds)
  -&gt; 1695         self._reader = parsers.TextReader(src, **kwds)
  
  pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader.__cinit__()
  
  pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._setup_parser_source()`enter code here`
  
  FileNotFoundError: File b'C:/Users/sonaw/Data/dump4.csv' does not exist
  </code></pre>
  
  <p>Why am I seeing this error? What could be the source of this problem?</p>