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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 get(self, column, default_value=None):
 """Get an item from the Row by column name. Args: column: Tuple of column names, or a (str) column name, or positional column number, 0-indexed. default_value: The value to use if the key is not found. Returns: A list or string with column value(s) or default_value if not found. """

        if isinstance(column, (list, tuple)):
            ret = []
            for col in column:
                ret.append(self.get(col, default_value))
            return ret
        # Perhaps we have a range like '1', ':-1' or '1:'.
        try:
            return self._values[column]
        except (IndexError, TypeError):
            pass
        try:
            return self[column]
        except IndexError:
            return default_value