ООП Python. Удаление сотрудника

class Person:
    def __init__(self, n, s, qualif = 1):
        self.name = n
        self.surname = s
        self.qualification = int(qualif)
    def anketa(self):
        return self.name, self.surname, self.qualification
    def __del__(self):
        print('Bye, mister',self.name,self.surname,', you was and you will be a good boy <3')


p1 = Person('Kate', 'Tomato', 3)
p2 = Person('Vova', 'Apple', 2)
p3 = Person('Ervin', 'Peach', 1)
print(p1.anketa(), p2.anketa(), p3.anketa())
all_qualifications = []
for one_qualif in p1.qualification, p2.qualification, p3.qualification:
    all_qualifications.append(one_qualif)
for q in p1, p2, p3:
    if q.qualification == min(all_qualifications):
        q.__del__()
input('Нажмите Enter')