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Looping statements in python | While loop | Break | Continue |

What are loops?

Generally, loops are known as where the starting and ending points are the same and there is a complete path

so that we can travel on that loop as many times as we can

An infinite number of iterations can be done

We can use the concept of loops when we want to repeat a set of codes a certain number of times

let’s see how we can do it and how the loops are useful for us

Firstly there are 2 types of loops in python

The two kinds of loops are: for loop for counting loop and while loop to for conditional loop.

While loop:

In some cases, we want to check the conditions until the condition fails we have to repeat the same process we will need while loop

A loop is a conditional loop that will repeat commands within it as long as a

conditional remains true (Boolean True).


while <logicalExpression>


For keyword should be given followed by the Variable name followed by in and then the type of sequence ending with a colon :

The loop will be repeated till it reached the end of the sequence given

How While loop works

we can see the syntax for creating the while loop

here the loop-body can contain a single statement or multiple statements or also an empty statement that is a pass statement.

The loop iterates while the logical Expression evaluates to true.

When the expression becomes false, the program control passes to the line after the loop-body

Flowchart of While loop


n1 = int(input("Enter first number :"))
n2 = int(input("Enter second number :"))
product = 0
S= n1
while S>0:
    S= S- 1
    product= product + n2
print("The product of", n1, "and", n2, "is", product)


Enter first number :8
Enter second number :9
The product of 8 and 9 is 72


Generally, the while loop is used when we don’t know how many times the loop will be executed,

but if we know the termination condition is known to us then the while loop can be used

the while loop is also known as an entry-controlled loop as it has control over an entry in the loop in the form of test conditions.

Jump functions in While loop:

In Python we are having two jump statements – break and continue to be used within loops to jump out

of loop-iterations.

What are jump statements? where can to break and continue?

The break Statement

A break statement skips the rest of the loop and jumps over to the statement following the loop 

for the detailed explanation of break, statements CLICK HERE

The Continue Statement

The continue statement skips other loop statements and begins the next loop formation to occur

for the detailed explanation of Continue, statements CLICK HERE

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