import functools


def makeTable(grid):
    """Create a REST table."""

    def makeSeparator(num_cols, col_width, header_flag):
        if header_flag == 1:
            return num_cols * ("+" + (col_width) * "=") + "+\n"
        else:
            return num_cols * ("+" + (col_width) * "-") + "+\n"

    def normalizeCell(string, length):
        return string + ((length - len(string)) * " ")

    cell_width = 2 + max(
        functools.reduce(
            lambda x, y: x + y, [[len(item) for item in row] for row in grid], []
        )
    )
    num_cols = len(grid[0])
    rst = makeSeparator(num_cols, cell_width, 0)
    header_flag = 1
    for row in grid:
        rst = (
            rst
            + "| "
            + "| ".join([normalizeCell(x, cell_width - 1) for x in row])
            + "|\n"
        )
        rst = rst + makeSeparator(num_cols, cell_width, header_flag)
        header_flag = 0

    return rst
