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2 179
Python class and Objects:
Python is an Object Oriented programming language.
Object is simply a collection of data (variables) and
methods (function) that act on those data. and, class
is a blueprint for the object.
an object is also called an instance of a class and
the process of creating this object is called instantiation.
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Python variables:
in python variable is a named location used to store data
in the memory. each variable must have a unique name called
identifier.
In python variables do not need declaration to reserve memory
space . The variable declaration or variable initialization
happens automatically when we assign a value to a variable.
as example:
salary=100
Emp_Name= "Ravi"
Age1, Age2, Age3=20,24,25
2 179
New modified Eshopping Website with add to cart multiple products
Video out today:
https://youtu.be/Dx5IiZstC9I
2 179
Online class 2
Topic: Operator in Python
video link:
https://youtu.be/3_sPCKHSF3o
watch and comment
2 179
watch New Video
Mini Project Shopping website Part-3
how to add quantity and report page
video Link:
https://youtu.be/Vdo1rmvCD9s
do Like share Subscribe
2 179
Hey everyone here i am sharing my own study Material which is related to HTML <Meta> tag
A to Z about Meta tag & Metadata ...
i hope you guys are love it....
dont forget to share & supscribe #CODERBABA
2 179
Question :1
What is switch statement and define its rules and explain with Example in Javascript.
Ans:
A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each switch case.
Syntax:
----------------------------------
switch(expression) {
case expression :
statement1;
break; /* optional */
case expression :
statement2;
break; /* optional */
/* you can have any number of case statements */
default : /* Optional */
statement3;
}
------------------------------
The following rules apply to a switch statement :−
1-: You can have any number of case statements within a switch. Each case is followed by the value to be compared to and a colon.
2-: The expression for a case must be the same data type as the variable in the switch.
3-: When the variable being switched on is equal to a case, the statements following that case will execute until a break statement is reached.
4-: When a break statement is reached, the switch terminates, and the flow of control jumps to the next line following the switch statement.
5-: Not every case needs to contain a break. If no break appears, the flow of control will fall through to subsequent cases until a break is reached.
6-: A switch statement can have an optional default case, which must appear at the end of the switch. The default case can be used for performing a task when none of the cases is true. No break is needed in the default case.
-----------
Example:
