how to access parent class attribute from child class in python

1# I've been searching for this for so long so i tought this might help you out.
2
3class Person: #Parent class
4  def __init__(self, fname, lname):
5    self.fname = fname
6    self.lname = lname
7    
8  def display(self):
9    '''To check if parent method works'''
10    print(self.fname)
11    print(self.lname)
12    
13class Subscriber(Person): #Child class
14  def __init__(self, fname, lname, ID):
15    self.ID = ID
16    
17    #The part below this comment is the most important
18    Person.__init__(self, fname, lname)
19    #Make sure all arguments of the Parent class are in the Person.__init__()
20    
21  def displayID(self):
22  '''To see if child method works'''
23    print(self.ID)
24	
25John = Subscriber("John", "Doe", 1)
26John.display()
27
28#OUPUT:
29#John
30#Doe
31
32John.displayID()
33#OUTPUT
34#1