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Python Program To Reverse the Given Number | RRTutors

In this program we will write a python program to revese the given number.

We can reverse a number in python by belwo ways

  • Using for-loop
  • Using while-loop

 

Python Program to reverse the given number

Using for-loop

x=(input("Enter a Number: x= "))
revstr=[]
ran = len(x) 
for element in reversed(range(0, ran)): 
    revstr.append(x[element])

    
rev="".join(revstr)    
print(rev)

 

 

Using while-loop

n=int(input("Enter number: "))
    rev=0
    while(n>0):
        dig=n%10
        rev=rev*10+dig
        n=n//10
    print("Reverse of the number:",rev)

 

Output:

Enter number: 126758
Reverse of the number: 857621

 

  • Take input from user and store it in a variable n.
  • By using the while loop we obtained last character by using modulus operator
  • The last digit will stored at one’s place, next second is at  the ten’s place and so on.
  • The last digit is then removed by truly dividing the number with 10.
  • Then While loop will return when the value of the number is 0.
  • Finally revere of the given number will return

 

 


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