ООП работа с классом

class Person:
    def __init__(self, numder, full_name, data_birs, sex, data_start_work, post, pay=0):
        self.numder=numder
        self.full_name=full_name
        self.data_birs=data_birs
        self.sex=sex
        self.data_start_work=data_start_work
        self.post=post
        self.pay=pay
 
    def work_day(self):
        return (int(self.data_start_work[6:10])-int(self.data_birs[6:10]))
    
first=Person(1, 'GOOD Boy', '15.10.1995', 'men', '01.01.2017', 'developer', 1500) 
second=Person(2, 'Ivanov Ivan', '11.12.1980', 'men', '28.03.2015', 'developer', 15000) 
third=Person(3, 'Diego God', '01.01.2000', 'women', '01.01.2017', 'TestOOP', 2000) 
 
print(first.full_name, second.full_name, third.full_name, end="\t") #вот здесь как это зделать

class Person:
    instances = []
 
    def __init__(self, number, full_name, data_birs, sex, data_start_work, post, pay=0):
        self.number = number
        self.full_name = full_name
        self.data_birs = data_birs
        self.sex = sex
        self.data_start_work = data_start_work
        self.post = post
        self.pay = pay
        Person.instances.append(self)
 
    def work_day(self):
        return int(self.data_start_work[6:10]) - int(self.data_birs[6:10])
 
 
first = Person(1, 'GOOD Boy', '15.10.1995', 'men', '01.01.2017', 'developer', 1500)
second = Person(2, 'Ivanov Ivan', '11.12.1980', 'men', '28.03.2015', 'developer', 15000)
third = Person(3, 'Diego God', '01.01.2000', 'women', '01.01.2017', 'TestOOP', 2000)
 
#print(first.full_name, second.full_name, third.full_name)
print(*[x.full_name for x in Person.instances])