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Calling a Parent Class's method from Child Class in Python

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schedule Jul 1, 2022
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This can be done using the super() method for new-style classesopen_in_new.

Example

To create a child class Dog based on the parent class Animal and then call the print_attribute method:

class Animal():
# This is constructor for python
def __init__(self, name, age):
self.name = name

def print_attribute(self):
print("I have legs!")

class Dog(Animal): # Name of the parent class must be included within the brackets
# This is constructor for python
def __init__(self, name, age):
super().__init__(name, age) # Notice how we do not need self parameter here

my_dog = Dog("Roxas", 26)
my_dog.print_attribute()
I have legs!

The super() method allows us to reference a temporary object of the parent class. Therefore, when we initialize an object from child class Dog, we are actually calling the __init__ constructor from parent class Animal and hence we are able to inherit all attributes and methods from it.

NOTE

The advantage of super() is that it allows us to avoid explicitly referring to the parent class. Therefore, we can easily change the parent class name if needed without disrupting our program.

robocat
Published by Arthur Yanagisawa
Edited by 0 others
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