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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def row(self, fields):
 """Return a row for fields, for CSV files, pretty printing, etc, give a set of fields to return"""


        d = self.dict

        row = [None] * len(fields)

        for i, f in enumerate(fields):
            if f in d:
                row[i] = d[f]

        return row