Write a program to implement aggregation

file.py

class Heart:
 def __init__(self, heartValves):
 self.heartValves = heartValves
 def display(self):
 return self.heartValves
class Person:
 def __init__(self, fname, heartValves):
 self.fname = fname
 self.heartValves = heartValves # Aggregation
 def display(self):
 print("First Name: ", self.fname)
 print("No of Healthy Valves: ", hv.display())
hv = Heart(4)
p = Person("ABC", hv)
p.display()

output:

Output

First Name: ABC
No of Healthy Valves: 4