Python Program to Swap First and Last Digits of a Number

Python Program to Swap First and Last Digits of a Number

Python program to swap first and last digits of a given number; In this tutorial, you will learn how to swap or interchange first and last digits of a given number in python.

How to swap first and last digit of a number in python

  • Swap first and last digit of a number in python using while loop

Swap first and last digit of a number in python using while loop

num =int(input('Please Enter Number: '))
rev = 0
noOfDigit = 0
temp = num
while temp>0:
  temp = int(temp/10)
  noOfDigit = noOfDigit+1
if noOfDigit<2:
  print("\nIt is a Single-digit Number!")
elif noOfDigit==2:
  temp = num
  while temp>0:
    rem = temp%10
    rev = (rev*10)+rem
    temp = int(temp/10)
  print("\nFirst and Last (Second) Digit Interchanged Successfully!")
  print("\nNew Number: ")
  print(rev)
else:
  temp = num
  while temp>0:
    rem = temp%10
    rev = (rev*10)+rem
    temp = int(temp/10)
  revNum = rev
  rev = 0
  temp = num
  noOfDigitTemp = noOfDigit
  while temp>0:
    remTemp = revNum%10
    if noOfDigitTemp==noOfDigit:
      rem = temp%10
      rev = (rev*10)+rem
    elif noOfDigitTemp==1:
      rem = temp%10
      rev = (rev*10)+rem
    else:
      rev = (rev*10)+remTemp
    temp = int(temp/10)
    revNum = int(revNum/10)
    noOfDigitTemp = noOfDigitTemp-1
  print('\n Interchanged Digits :- {}'.format(rev))

Output

Please Enter Number: 12325
Interchanged Digits :- 52321

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AuthorAdmin

My name is Devendra Dode. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. I like writing tutorials and tips that can help other developers. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. As well as demo example.

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