Python Loops

While Loop

In this body is executed until condition is true. Once the condition becomes false then control comes out the loop.

Syntax 

while condition:

Body of while loop

e.g.

i = 10

while i>5:

print i

i=i-1

Output 

10

9

8

7

6

For Loop

For loop executes the sequence of code according to the specified times and conditions.

Syntax

for variable in sequence:

Body of for loop

e.g.

i=1

for i in range(1,8):

print 2*i

Output 

2

4

6

8

10

12

14

Nested Loop 

Loop defined within another loop is known as nested loops.

Syntax 

for condition1:

for condition2:

Body of for loop

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