from enum import Enum
class Combustibil(Enum):
    BENZINA=1
    MOTORINA=2
    GPL=3
    ELECTRIC=4

class Masina (object):
    def __init__(self,nr,c):
        self.__nrInmatriculare=nr
        self.__combustibil=c
        self.__link= None

    def getnrInamtriculare(self):
        return self.__nrInmatriculare
    def getCombustibil(self):
        return self.__combustibil
    def getLink(self):
        return self.__link
    def setnrInamtriculare(self,newNr):
        self.__nrInmatriculare=newNr
    def setLink(self,newLink):
        self.__link=newLink

    def __repr__(self):
        return " Nr Inmatriculare :{} combustibil :{}".format(self.__nrInmatriculare,self.__combustibil)

m1=Masina("TM11ABC",Combustibil.BENZINA)
m2=Masina("SV22AAA",Combustibil.GPL)
print(m1)
print(m2)

class Lista:
    def __init__(self):
        self.__radacina=None

    def adauga(self,masina):
        if self.__radacina==None:
            self.__radacina=masina
        else:
            masina.setLink(self.__radacina)
            self.__radacina=masina

    def __repr__(self):
        x=self.__radacina
        while x!=None:
            s=" "
            s=s+str(x)
            x=x.getLink()
        return x





l=Lista()
l.adauga(m1)
l.adauga(m2)
print(l)
l.cautare(m1)