L = [[0,55],[1,6],[2,1],[3,8],[4,3],[5,2]]
print(L)
lista_max = []
for x in range(3):
    massimo = L[0][1]
    indice_max = 0
    for i in range(1,len(L)):
        if L[i][1] > massimo:
            massimo = L[i][1]
            indice_max = i

    lista_max.append(L[indice_max][0])
    L.pop(indice_max)
    print(L)


print("lista max: " + str(lista_max))



print("--------")

L= [55,6,7,8,1,10,15]

print(L)
lista_max = []
for x in range(3):
    massimo = L[0]
    indice_max = 0
    for i in range(1,len(L)):
        if L[i] > massimo:
            massimo = L[i]
            indice_max = i

    lista_max.append(indice_max)
    L[indice_max] = 0

    print(L)


print(lista_max)