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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 _read_tsv(cls, input_file, quotechar=None):
 """Reads a tab separated value file."""

        with open(input_file, "r", encoding="utf-8") as f:
            reader = csv.reader(f, delimiter="\t", quotechar=quotechar)
            lines = []
            for line in reader:
                if sys.version_info[0] == 2:
                    line = list(unicode(cell, 'utf-8') for cell in line)
                lines.append(line)
            return lines