# While Loop and Examples in Python Iterative statements are decision control statement that are used to repeat the execution list of statements. In python there are two types of iterative statements.

• while loop
• for loop

### #Q1 . WAP to print first hundred natural numbers.

``````#Ex . WAP to print first hundred natural numbers
x=0 # initialization of x
while x<=100:
print(x,end=' ')
x=x+1
print('\nEnd of While Loop')``````

### Q2. WAP to print 20 horizontal (*).

``````#Ex of while loop -repeats the statments while condition is True
x=0
while x<=100:
print(x,end=' ')
x=x+1
print('\nEnd of While Loop')``````

### Q3.Wap print sum and average of first 10 numbers.

``````#Wap print sum and average of first 10 numbers
'''
1+2+3+4+5+6+7+8+9+10=55
Get avg i.e. 55/10 =5.5
'''
i=1
sum=0
while i<=10:
sum=sum+i
i=i+1
print("sum=",sum)
print("Average", sum/10)``````

### Q4. WAP to print reverse of a number .

``````# WAP to print  reverse of a number
# supposed entered number is  123 then print reversed number is 321
num=int(input('Please enter the number')) # input method read the data entered by keyboard
print('Reversed Number is ',)
while num!=0:
digit=num%10
print(digit,end='')
num=num//10``````

### Q5.WAP using a while loop that ask the user to enter for a number, and prints a countdown from that number to zero.

``````n=int(input('Enter the number'))
while n>0:
print(n,end=' ')
n=n-1`````` Posts created 5

## Python Numbers

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