05 what is class and how to create in python Telugu

In [1]:

class Employee:
    # Define an attribute called name
    name = "Ben"

    def changeName (self):
        # Change the value of the attribute within a method
        Employee.name = "Mark"

employee = Employee()
print(employee.name)
employee.changeName()
print(employee.name)

Ben
Mark

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In [13]:

class Emp:
    name ="venkat"
    jobtitle="Sales person"
    sales=3
    def achive (self):
        if(self.sales>8):
            print("Achived")
        else:
            print("fail")

In [14]:

emp1=Emp()

In [5]:

emp1.name

Out[5]:

'venkat'

In [7]:

emp1.jobtitle

Out[7]:

'Sales person'

In [15]:

emp1.achive()

fail

In [16]:

dir(Emp)

Out[16]:

['__class__',
 '__delattr__',
 '__dict__',
 '__dir__',
 '__doc__',
 '__eq__',
 '__format__',
 '__ge__',
 '__getattribute__',
 '__gt__',
 '__hash__',
 '__init__',
 '__init_subclass__',
 '__le__',
 '__lt__',
 '__module__',
 '__ne__',
 '__new__',
 '__reduce__',
 '__reduce_ex__',
 '__repr__',
 '__setattr__',
 '__sizeof__',
 '__str__',
 '__subclasshook__',
 '__weakref__',
 'achive',
 'jobtitle',
 'name',
 'sales']

In [18]:

type(Emp)

Out[18]:

type

In [19]:

type(emp1)

Out[19]:

__main__.Emp

In [20]:

l1=[1,2,3,4,5,]

In [21]:

l1

Out[21]:

[1, 2, 3, 4, 5]

In [22]:

type(l1)

Out[22]:

list

In [23]:

dir(l1)

Out[23]:

['__add__',
 '__class__',
 '__contains__',
 '__delattr__',
 '__delitem__',
 '__dir__',
 '__doc__',
 '__eq__',
 '__format__',
 '__ge__',
 '__getattribute__',
 '__getitem__',
 '__gt__',
 '__hash__',
 '__iadd__',
 '__imul__',
 '__init__',
 '__init_subclass__',
 '__iter__',
 '__le__',
 '__len__',
 '__lt__',
 '__mul__',
 '__ne__',
 '__new__',
 '__reduce__',
 '__reduce_ex__',
 '__repr__',
 '__reversed__',
 '__rmul__',
 '__setattr__',
 '__setitem__',
 '__sizeof__',
 '__str__',
 '__subclasshook__',
 'append',
 'clear',
 'copy',
 'count',
 'extend',
 'index',
 'insert',
 'pop',
 'remove',
 'reverse',
 'sort']

In [25]:

l1.pop()

Out[25]:

5

In [26]:

l1

Out[26]:

[1, 2, 3, 4]