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What isPickle or Serialization and UnPickle or DeSerialization in python how to define.The process of converting an object from python

By Power cine World - April 12, 2022

Object Serialization The process of converting an object from python supported form to either file supported form or network supported form, is called serialization (Marshalling or pickling) The process of converting an object from either file supported form or network supported form to a python-supported form is called deserialization (Unmarshalling or unpickling). Object Serialization by using Pickle Object Serialization by using JSON Object Serialization by using YAML Object Serialization by using Pickle: We can perform serialization and deserialization of an object wrt file by using the pickle module. It is Python's inbuilt module. pickle module contains dump() function to perform Serialization(pickling). pickle.dump(object,file) pickle module contains load() function to perform Deserialization (unpickling). object = pickle.load(file) Program to perform pickling and unpickling of Em...

How to Call Method of a Particular Super Class in python types of super method examples

By Power cine World - April 07, 2022

How to Call Method of a Particular Super Class: We can use the following approaches 1) super(D, self).m1() It will call the m1() method of the superclass of D. 2) A.m1(self) It will call the A class m1() method #supermethod class A: def m1(self): print('A class Method') class B(A): def m1(self): print('B class Method') class C(B): def m1(self): print('C class Method') class D(C): def m1(self): print('D class Method') class E(D): def m1(self): A.m1(self) e = E () e.m1() Output: A class Method Various Important Points about super(): 1: From child class, we are not allowed to access parent class instance variables by using super(), Compulsory we should use self only. But we can access parent class static variables by ...

What is super methon in python How to Call Method of a Particular Super Class...

By Power cine World - April 06, 2022

super() Method: super() is a built-in method that is useful to call the superclass constructors, variables, and methods from the child class. Demo Program-1 for super(): class Person: def __init__(self,name,age): self.name=name self.age=age def display(self): print('Name:',self.name) print('Age:',self.age) class Student(Person): def __init__(self,name,age,rollno,marks): super().__init__(name,age) self.rollno=rollno self.marks=marks def display(self): super().display() print('Roll No:',self.rollno) print('Marks:',self.marks) s1=Student('Durga',22,101,90) s1.display() Output: Name: Durga Age: 22 Roll No: 101 Marks: 90 In the...