def num_en_liste(num):
    lst = []
    s = str(num)
    for elt in s:
        lst.append(int(elt))
    return lst

print(num_en_liste(4532015112830465))

def impairs(num):
    lst = []
    s = str(num)
    k = len(s) -1
    while k >= 0:
        lst.append(int(s[k]))
        k = k - 2 
    return lst

print(impairs(4532015112830465))
    

def pairs(num):
    lst = []
    s = str(num)
    k = len(s) -2
    while k >= 0:
        lst.append(int(s[k]))
        k = k - 2 
    return lst

print(pairs(4532015112830465))


def traitement_nb_pairs(pair):
    lst = []
    for elt in pair:
        a = elt * 2
        if a > 9:
            a = a // 10 + a % 10
        lst.append(a)
    return lst

print(traitement_nb_pairs([6, 0, 8, 1, 5, 0, 3, 4]))

def test_num_carte_credit(num):
    lst_impairs = impairs(num)
    lst_pairs = traitement_nb_pairs(pairs(num))
    s = 0 
    for elt in lst_pairs:
        s += elt
    for elt in lst_impairs:
        s += elt
    return s % 10 == 0

print(test_num_carte_credit(4532015112830465))