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Problem. CSV problems:
              csv_input = csv.reader(f_input)
              pandas.errors.ParserError: Error tokenizing data. C error: Expected 4 fields in line x, saw y
          Solution: Open it first and then read:
                 with open(inFile) as f_input:
                    csv_input = csv.reader(f_input)
                    for row in csv_input:
                           print(len(row))

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csv.reader(). code:
         

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