class Personel:
    temettu_orani = 2
    personel_sayisi = 0
    
    def __init__(self, ad, soyad, maas):
        self.ad = ad
        self.soyad = soyad
        self.email = f'{self.ad.lower()}.{self.soyad.lower()}@halkbank.com.tr'
        self.maas = int(maas)
        
        Personel.personel_sayisi += 1
        
    def isim(self):
        return f'{self.ad} {self.soyad}'
    
    def temettu(self):
        return self.maas * self.temettu_orani
    
    @classmethod
    def temettu_degistir(cls, yeni_oran):
        cls.temettu_orani = yeni_oran
    
    @classmethod
    def metin_al(cls, metin):
        ad, soyad, maas = metin.split('-')
        return cls(ad, soyad, maas)
        
        
p = 'Emre-Çevik-5000'


personel_1 = Personel.metin_al(p)