python applying a function with in a class code example

Example 1: create and use python classes

class Mammal:
    def __init__(self, name):
        self.name = name

    def walk(self):
        print(self.name + " is going for a walk")


class Dog(Mammal):
    def bark(self):
        print("bark!")


class Cat(Mammal):
    def meow(self):
        print("meow!")


dog1 = Dog("Spot")
dog1.walk()
dog1.bark()
cat1 = Cat("Juniper")
cat1.walk()
cat1.meow()

Example 2: python call function in class

#------------------------------------
#CLASS
#------------------------------------
class Student:
  def __init__(self):
    self.name = None
    
  def set_name(self, word):
    self.name = word
    return self.get_name()
    
  def get_name(self):
    return self.name
  
#------------------------------------
# USAGE:
#------------------------------------

a = Student()
print(a.set_name("Hello"))