Establish [python learning] class

# class phone:

#     '''

# Restrictions, not allowed to add property

#     '''

#     __slots__=["cpu"]

#     def call(self,num):

# Print ( "with cpu:% s Call% s"% (slef.cpu, num))

#print(phone.__dict__)

#iphone=phone()

#iphone.cpu="A11"

# print(iphone.cpu)

# iphone=phone()

# iphone.call("110")

'''

__new__ was equivalent to c ++ constructor

__init__ is equivalent to initialize

Double underline to become private front, and renamed the process, different ways interpreter renamed

getter and setter:

        Objective and access private variables set by the built-in methods to achieve access to the private variable

        String set to None

        Single underline is directly accessible, but the agreement is commonly known as private variables, try not to use.

The same method with double underscore in front is private methods, but also underscore a

'''

class phone:

    def __init__(self,name):

        self.__name=name

        self._cpu=None

    def setname(self,name):

        if len(name)>10:

            print ( "name can not be more than 10 characters")

            return

        self.__name=name

    def getname(self):

        return self.__name

    def setcpu(self,cpu):

        self._cpu=cpu

    def getcpu(self):

        return self._cpu

    def __connect(self):

        print ( "connected base station")

    def _private(self):

        print ( "private methods accessible")

iphone=phone("iphone")

#print(iphone._phone__name)

# This method can access but not recommended

#print("iphone.__dict__:",iphone.__dict__)

#print("phone.__dict__:",phone.__dict__)

# iphone.setname("apple")

# print(iphone.getname())

# iphone.setcpu("amd")

# print(iphone.getcpu())

iphone._private()