Pandas read the CSV file error filenotf oundError:File b ‘***.csv’ does not exist

File B ‘test1.csv’ does not exist.
 
Problem location: One of the code or files is not in the default path.

When reading a file, try to fill in the default relative path, not the relative path.

 
Solution: Put the code and the files to be read in the default path, solve!

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