How to Generate All Possible Combinations of Three Digits in Python

Submitted by razormist on Thursday, June 12, 2025 - 23:36.

In this tutorial, we will learn how to program "How to Generate All Possible Combinations of Three Digits in Python." The objective is to explore the process of generating all unique combinations of three-digit numbers using programming logic. This tutorial will guide you step by step through the implementation, demonstrating how to use loops or built-in Python modules like itertools to generate every possible combination efficiently. By the end of this tutorial, you will clearly understand how to apply this technique effectively in your Python programs, strengthening your grasp of iteration, condition checking, and basic combinatorics in programming.

This topic is straightforward to understand. Just follow the instructions provided, and you will be able to complete it with ease. The program demonstrated will show you the correct and efficient way to find all the possible combinations of three digits. So, let’s dive into the coding process!

Getting Started:

First you will have to download & install the Python IDLE's, here's the link for the Integrated Development And Learning Environment for Python https://www.python.org/downloads/.

Creating Main Function

This is the main function of the application. The following code will display a simple GUI in terminal console that will display program. To do this, simply copy and paste these blocks of code into the IDLE text editor.

while True:
    print("\n============== Generate All Possible Combinations of Three Digits ==============\n")
 
    a=int(input("Enter 1st number: "))
    b=int(input("Enter 2nd number: "))
    c=int(input("Enter 3rd number: "))
    d=[]
    d.append(a)
    d.append(b)
    d.append(c)
    for i in range(0,3):
        for j in range(0,3):
            for k in range(0,3):
                if(i!=j&j!=k&k!=i):
                    print(d[i],d[j],d[k])
 
    opt = input("\nDo you want to try again?(yes/no): ")
           
    if opt.lower() == 'yes':
        ret=False
    elif opt.lower() == 'no':
        ret=True
        print("Exiting program....")
    else:
        print("Please enter yes/no:")
        break
 
    if ret == False:
        continue

This Python program generates and displays all possible unique combinations of three input digits without repetition. It takes three integers as input, stores them in a list, and uses nested loops to iterate through all index combinations, ensuring that no index is repeated (i ≠ j ≠ k). Each valid combination is printed. The program continues based on the user’s input.

Output:

There you have it we successfully created How to Generate All Possible Combinations of Three Digits in Python. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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