def er_sortert(talliste):

    for i in range(len(talliste) - 1):
        if talliste[i] > talliste[i + 1]:
            return False

    return True

def hovedprogram():
    liste1 = [1, 2, 3, 6, 8]
    liste2 = [1, 2, 4, 2, 3]

    print(er_sortert(liste1))
    print(er_sortert(liste2))

hovedprogram()