In [1]:

    

# Basic class
class Sample():
    pass


    

In [2]:

    

my_sample = Sample()


    

In [4]:

    

type(my_sample)


    

    
Out[4]:





__main__.Sample

In [5]:

    

# Parameters
class Dog():
    def __init__(self, breed):
        self.breed = breed


    

In [7]:

    

my_lab = Dog("lab")


    

In [8]:

    

my_lab.breed


    

    
Out[8]:





'lab'

In [18]:

    

# Shows a class with init and a class method
class Dog():
    def __init__(self, breed, name):
        self.breed = breed
        self.name = name
    def bark(self):
        print("{} is barking".format(self.name))


    

In [17]:

    

my_lab = Dog("Lab", "Jimmy")
my_lab.bark()


    

    




Jimmy is barking

In [19]:

    

# Class object attribute
class Circle():
    pi = 3.14 # This is common across all class objects
    def __init__(self, radius=1):
        self.radius = radius
    def calculateCircumference(self):
        return self.radius * self.pi * 2


    

In [26]:

    

my_c = Circle(10)
my_c.calculateCircumference()


    

    
Out[26]:





62.800000000000004

In [32]:

    

# Class object attribute
class Circle():
    pi = 3.14 # This is common across all class objects
    def __init__(self, radius=1):
        self.radius = radius
        #self.area = radius * radius * self.pi
        self.area = radius * radius * Circle.pi # Class level attributes can also be called this way!
    def calculateCircumference(self):
        return self.radius * self.pi * 2


    

In [33]:

    

c = Circle()


    

In [34]:

    

c.area


    

    
Out[34]:





3.14

In [35]:

    

c.radius


    

    
Out[35]:





1

In [36]:

    

c.calculateCircumference()


    

    
Out[36]:





6.28

In [44]:

    

class Animal():
    def __init__(self):
        print("Animal created")
    def eat(self):
        print("Animal am eating")
    def sleep(self):
        print("Animal am sleeping")


    

In [45]:

    

a = Animal()


    

    




Animal created

In [46]:

    

a.eat()
a.sleep()


    

    




Animal am eating
Animal am sleeping

In [51]:

    

class Dog(Animal):
    def __init__(self):
        Animal.__init__(self)
        print("Dog created")
    def bark(self):
        print("Dog is barking")


    

In [52]:

    

d = Dog()


    

    




Animal created
Dog created

In [53]:

    

d.eat()


    

    




Animal am eating

In [54]:

    

d.sleep()


    

    




Animal am sleeping

In [55]:

    

d.bark()


    

    




Dog is barking

In [ ]: