pasienter = [[4, 6], [2, 4], [3, 4, 5], [21, 22, 29], [2, 1, 2, 1]]

def maxBesok(pasientListe):
    flestBes?k = 0
    pasientNummer = ""
    likeBesok = []
    for i in range(len(pasientListe)):
        besok = pasientListe[i]
        if len(besok) > flestBes?k:
            flestBes?k = len(besok)
            pasientNummer = str(i + 1)
            likeBesok = []
            likeBesok.append(pasientNummer)

        elif len(besok) == flestBes?k:
            likeBesok.append(str(i + 1))

    return likeBesok

print(maxBesok(pasienter))