Sum, Count, and Reverse of Digits in Python (While Loop & Recursion)

📰 Dev.to · Harini

Learn to calculate sum, count, and reverse of digits in Python using while loops and recursion

beginner Published 2 Apr 2026
Action Steps
  1. Enter a number using the input function in Python
  2. Calculate the sum of digits using a while loop
  3. Implement a recursive function to calculate the sum of digits
  4. Use a while loop to count the number of digits
  5. Apply recursion to reverse the digits of a number
Who Needs to Know This

This tutorial benefits junior software engineers and data scientists who need to perform basic digit manipulations in Python. It can be applied to various projects, such as data preprocessing or numerical analysis.

Key Insight

💡 While loops and recursion are essential techniques in Python for manipulating digits and performing numerical computations

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📝 Calculate sum, count, and reverse of digits in Python using while loops and recursion! 💻

Key Takeaways

Learn to calculate sum, count, and reverse of digits in Python using while loops and recursion

Full Article

1. Sum of digits Iterative Approach (Using While Loop) no = int(input("Enter No: ")) sum =...
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