def navbarItems(activePage):
    pages = ["Students", "Assistants", "Experiments", "Appointments", "Groups", "Users"]
    items = ""
    for page in pages:
        active = ""
        lowerPage = page.lower().replace(" ", "_")
        if lowerPage == activePage:
            active = " active"
        items += '<a class="nav-link' + active + '" href="' + lowerPage + '">' + page + '</a>'
    return items

def makeTable(headerAndDataList, rows):
    def td(cell):
        return "<td>" + str(cell) + "</td>"

    def th(cell):
        return '<th data-sortable="true">' + str(cell) + '</th>'


    table = '<thead><tr>'
    for i in headerAndDataList:
        table += th(i[0])
    table += '</tr></thead>\n<tbody>\n'

    for row in rows:
        table += '<tr>'

        for i in headerAndDataList:
            table += td(eval(i[1]))

        table += '</tr>\n'

    table += '</tbody>'
    return table