13ianuarie2021

class Card:
    def __init__(self,n):
        self.nrCard = n
    def __repr__(self):
        return 'Numarul cardului este {}'.format(self.nrCard)
    def __explode(self):
        l = []
        n = self.nrCard
        while n != 0:
            u = n % 10
            n = n // 10
            l.append(u)
        l.reverse()
        return l
    def __verificareLungime(self):
        l = self.__explode()
        if len(l) >= 13 and len(l) <= 16:
            return True
        else:
            return False
    def __verificarePrimaCifra(self):
        l = self.__explode()
        if l[0] == 4:
            return 'Visa'
        elif l[0] == 5:
            return 'MasterCard'
        elif l[0] == 3 and l[1] == 7:
            return 'American Express'
        elif l[0] == 6:
            return 'Discover'
        return None
    def __generareLista2(self):
        l = self.__explode()
        l2 = []
        for i in range(len(l)-2,-1,-2):
            l2.append(l[i])
        return l2
    def __generareLista3(self):
        l = self.__explode()
        l3 = []
        for i in range(len(l)-1,-1,-2):
            l3.append(l[i])
        return l3
    def __generareLista22(self):
        l2 = self.__generareLista2()
        l22 = []
        for e in l2:
            calcul = 2 * e
            if calcul < 10:
                l22.append(calcul)
            else:
                c1 = calcul // 10
                c2 = calcul % 10
                s = c1 + c2
                l22.append(s)
        return l22
    def __generareS1(self):
        l22 = self.__generareLista22()
        suma = 0
        for i in l22:
            suma = suma + i
        return suma
    def __generareS2(self):
        l3 = self.__generareLista3()
        suma = 0
        for i in l3:
            suma = suma + i
        return suma
    def __sumaTotala(self):
        s1 = self.__generareS1()
        s2 = self.__generareS2()
        s = s1 + s2
        return s
    def validare(self):
        s = self.__sumaTotala()
        if s % 10 == 0:
            return 'Cardul este valid'
        else:
            return 'Cardul este invalid'

c1 = Card(4388576018402626)
print(c1)
print(c1.validare())
c2 = Card(4388576018410707)
print(c2.validare())