In this video, I have explained regarding Looping in Python and started with the syntax and detailed explanation of while loop. This video requires prior knowledge of my previous video where i have created a variable, stored it, created a list, indexing of values and operators. I have explained this part using a practical example where Loops can be used. Loops are used to execute a piece of code multiple times so as to perform a particular task. The detailed explanation with an example is covered in this video.
WHILE LOOP IN PYTHON
Loops are used to execute a piece of code or set of statements multiple times in a program as long as the condition is true. While loop is the basic loop structure in Python.
Syntax:
While (expression):
Statement(s)
Here, condition may be any logical expression and statement(s) can be single statement or multiple statements. The loop will iterate or execute until the condition is true. When the condition becomes false, program comes out of the loop and remaining statements are executed. In Python language, during any of the decision making, control statements and looping indentation is very important because, it specifies the set of statements to be a part of single code or block. Since no brackets are used to specify the complete code with in, indentation is used.
Flowchart:
In While loop, the main important thing is the loop may never be executed if the condition is not satisfied and it will execute the first statement after the while loop.
You can use while loop with if…else as per the program requirement.
Watch my video to get the detailed view of how to use while loop with a practical explanation.