Python Loop Statements

It allows to execute a statement or groups of statement multiple times.

In Python following type of loops to handle looping:

1. while loop

2. for loop

3. nested loop

1. while loop:

It is a group of statements which repeats while given condition is TRUE and tests the condition before executing loop.

Syntex:

while Condition:

Statements

exit condition

For example: Please write below code in IDLE and run it.

Output:

Hello 1

Hello 2

Hello 3

Hello 4

Hello 5

Hello 6

Hello 7

Hello 8

Hello 9

Hello 10

2. for loop:

It is execution of set of statements multiple times and manage the loop.

Syntex:

for Condition:

Statements

For example:

Output: 1 2 3 4 # why not 5 think it !!!! you are smart

3. nested loop:

It can be used one or more loop inside while or for loop.For example:

Output: 1 1 1 1 22 333 4