man.py

# Example 1: getattr() function
class Person:
    def __init__(self, age):
        self.age = age

# create a Person object with age 36
person = Person(36)

# get the value of the attribute 'age'
print('The age of Person ',getattr(person, 'age', 40))

# get the value of the attribute 'salary'
print('The salary of Person ',getattr(person, 'salary', 10000))