In [5]:

    

a=list(range(1,101))
b=list(range(100,0,-1))


    

In [7]:

    

c=sum(a+b)


    

In [12]:

    

c


    

    
Out[12]:





10100

In [13]:

    

a.append(99)


    

In [15]:

    

d=sum(a+b)


    

In [16]:

    

d


    

    
Out[16]:





10199

In [17]:

    

object


    

    
Out[17]:





object

In [20]:

    

a = list([1, 2, 3])
a


    

    
Out[20]:





[1, 2, 3]

In [21]:

    

a = list()
a


    

    
Out[21]:





[]

In [250]:

    

class User:    
    def __init__(self, firstname, lastname, email, password, gender, age, can_like = True):
        self.ID        = uuid.uuid4()
        self.firstname = firstname
        self.lastname  = lastname
        self.email     = email
        self.password  = password
        self.gender    = gender
        self.age       = age
        self.can_like  = can_like
        self.status    = 'single'
        
    def change_relationship_status(self, status):
        self.status    = status
        
    @staticmethod
    def create_user(firstname, lastname, email, password, gender, age, can_like = True):
        user = User(firstname, lastname, email, password, gender, age, can_like)
        
        return user
        
class Account:
    def __init__(self, user):
        self.user = user


    

In [251]:

    

user1 = User('Nelson', 'Agera', 'nelsonagera@gmail.com', '12345', 'Male', 27)
user2 = User('Achilles', 'Rasquinha', 'abc@xyz.com', '12345', 'Male', 21)


    

In [252]:

    

users = [ ]
accnt = [ ]


    

In [253]:

    

users.append(user1)
users.append(user2)


    

In [254]:

    

account1 = Account(users[0])


    

In [255]:

    

print(user1.status)

user1.change_relationship_status('married')

print(user1.status)


    

    




single
married

In [256]:

    

u = User.create_user('Achilles', 'Rasquinha', 'abc@xyz.com', '12345', 'Male', 22)


    

In [257]:

    

user2.age


    

    
Out[257]:





21

In [258]:

    

u.age


    

    
Out[258]:





22

In [ ]:

    




    

In [272]:

    

class Phone:
    def __init__(self,colour,displayResolution,noOfButtons=12):
        self.noOfButtons=noOfButtons
        self.colour     =colour
        self.displayResolution=displayResolution
    def setcolour(self,newColour):
        self.colour=newColour
    @staticmethod
    def hasAntenna():
        return True


    

In [273]:

    

phone1=Phone('Black',[720, 1020])


    

In [274]:

    

phone1.colour


    

    
Out[274]:





'Black'

In [275]:

    

phone1.setcolour('Blue')


    

In [276]:

    

phone1.colour


    

    
Out[276]:





'Blue'

In [278]:

    

phone1.hasAntenna()


    

    
Out[278]:





True

In [279]:

    

Phone.hasAntenna()


    

    
Out[279]:





True

In [280]:

    

class CustomObject(object):
    pass


    

In [339]:

    

class Gadget(Device):
    pass

class Device(object):
    GLOBAL_ID_COUNTER = 0
    def __init__(self, resolution):
        self.resolution = resolution
        
    def set_resolution(self, resolution):
        self.resolution = [sum(resolution), sum(resolution)]

class Phone(Device, Gadget):
    def __init__(self, resolution):
        super(Phone, self).__init__(resolution)
    
    @staticmethod
    def set_resolution(self, resolution):
        super(Phone, self).set_resolution(resolution)
        
        print(self.resolution)
        
        self.resolution = self.resolution + self.resolution

class Screen(Device):
    def __init__(self, resolution):
        super(Screen, self).__init__(resolution)


    

In [340]:

    

screen = Screen([720, 190])
screen.GLOBAL_ID_COUNTER


    

    
Out[340]:





0

In [341]:

    

screen.resolution


    

    
Out[341]:





[720, 190]

In [342]:

    

phone = Phone([320, 480])
phone.resolution
phone.set_resolution([120, 120])
phone.resolution


    

    




---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-342-3bba50d2823a> in <module>()
      1 phone = Phone([320, 480])
      2 phone.resolution
----> 3 phone.set_resolution([120, 120])
      4 phone.resolution

TypeError: set_resolution() missing 1 required positional argument: 'resolution'

In [300]:

    

device = Device([120, 480])
device.resolution


    

    
Out[300]:





[120, 480]

In [328]:

    

# type.__name__
type, set, dict, list, range, int, str


    

    
Out[328]:





(type, set, dict, list, range, int, str)

In [ ]: