Loads contents of Database from a filename database.csv.

def load_contents(self):
        """
            Loads contents of Database from a filename database.csv.
        """
        with open(self.name + ".csv") as f:
            list_of_rows = f.readlines()

        list_of_rows = map(
            lambda x: x.strip(),
            map(
                lambda x: x.replace("\"", ""),
                list_of_rows
            )
        )

        for row in list_of_rows:
            self.put_row(make_row(self.columns, row.split(',')))