This will replace every cell in the function with func(cell)
        :param func: func to call
        :return: None

def map(self, func):
        """
        This will replace every cell in the function with func(cell)
        :param func: func to call
        :return: None
        """
        for row in self.table:
            for i, cell in enumerate(row):
                row[i] = func(cell)