import curses

# lager ui-skjermen
screen = curses.initscr()
curses.noecho()
curses.curs_set(0)
screen.keypad(1)

class rwmenu:
    """Klasse brukt for aa lage menyer i terminalen"""
    index = 0
    items = []

    def additem(self, weight, text, command):
        self.items.append([weight, text, command])
        return

    def handleevent(self, event):
        global curses

        if event == curses.KEY_UP: self.index -= 1
        elif event == cureses.KEY_DOWN: self.index += 1

        if self.index > len(items): self.index = 0
        if self.index < 0: self.index = len(items) - 1
        return

    def draw(self):
        global screen

        ypos = 1
        xpos = 2
        carrindex = 0

        for items in self.items:
            if carrindex == self.index:
                screen.addstr(xpos, ypos+1, items[1])
            else:
                screen.addstr(xpos, ypos, items[1])

            xpos += 1
        return

mymenu = rwmenu()
mymenu.additem(0, "Test 1", "")
mymenu.additem(1, "Test 2", "")
mymenu.additem(2, "Test 3", "")

mymenu.draw()

while True:

    event = screen.getch()
    if event == ord("q"): break
    else: mymenu.handleevent(event)
curses.endwin()

## Error
NameError: global name 'curses' is not defined.