Python Program to Print All Possible Combinations of Three Digits

This is a Python Program to accept three distinct digits and print all possible combinations from the digits.

Problem Description

The program takes three distinct numbers and prints all possible combinations from the digits.

Problem Solution

1. Take in the first, second and third number and store it in separate variables.
2. Then append all the three numbers to the list.
3. Use three for loops and print the digits in the list if none of their indexes are equal to each other.
4. Exit.

Program/Source Code

Here is the source code of the Python Program to accept three distinct digits and prints all possible combinations from the digits. The program output is also shown below.

 
a=int(input("Enter first number:"))
b=int(input("Enter second number:"))
c=int(input("Enter third 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])
Program Explanation

1. User must enter the first, second and third number.
2. All the elements are appending into a list for the ease of comparison.
3. The for loops range from 0-2 which are basically the indexes of the three elements in the list.
4. If none of the indexes are equal to each other, the element associated with the particular element in the list is printed.

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Runtime Test Cases
 
Case 1:
Enter first number:1
Enter second number:2
Enter third number:3
1 2 3
1 3 2
2 1 3
2 3 1
3 1 2
3 2 1
 
Case 2:
Enter first number:5
Enter second number:7
Enter third number:3
5 7 3
5 3 7
7 5 3
7 3 5
3 5 7
3 7 5

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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