Tring to load csv file in Pandas using dataframe

I am trying to load a csv file within a data frame based in pandas. I have used the following imports.

import matplotlib.pyplot as plt
import numpy as np
import pandas as pd  

It is throwing error that file is not found the traceback is as follows:

FileNotFoundError Traceback (most recent call last) in () ----> 1 df = pd.read_csv('purchases.csv')

c:\users\saish\appdata\local\programs\python\python35-32\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) 703 skip_blank_lines=skip_blank_lines) 704 --> 705 return _read(filepath_or_buffer, kwds) 706 707 parser_f.name = name

c:\users\saish\appdata\local\programs\python\python35-32\lib\site-packages\pandas\io\parsers.py in _read(filepath_or_buffer, kwds) 443 444 # Create the parser. --> 445 parser = TextFileReader(filepath_or_buffer, **kwds) 446 447 if chunksize or iterator:

c:\users\saish\appdata\local\programs\python\python35-32\lib\site-packages\pandas\io\parsers.py in init(self, f, engine, **kwds) 812 self.options['has_index_names'] = kwds['has_index_names'] 813 --> 814 self._make_engine(self.engine) 815 816 def close(self):

c:\users\saish\appdata\local\programs\python\python35-32\lib\site-packages\pandas\io\parsers.py in _make_engine(self, engine) 1043 def _make_engine(self, engine='c'): 1044 if engine == 'c': -> 1045 self._engine = CParserWrapper(self.f, **self.options) 1046 else: 1047 if engine == 'python':

c:\users\saish\appdata\local\programs\python\python35-32\lib\site-packages\pandas\io\parsers.py in init(self, src, **kwds) 1682
kwds['allow_leading_cols'] = self.index_col is not False 1683 -> 1684 self._reader = parsers.TextReader(src, **kwds) 1685 1686 # XXX

pandas_libs\parsers.pyx in pandas._libs.parsers.TextReader.cinit()

pandas_libs\parsers.pyx in pandas._libs.parsers.TextReader._setup_parser_source()

FileNotFoundError: File b'purchases.csv' does not exist