I have a set of numbers
Is not known how many number inside
For Example:
in the list [1,2,3,4]
i want out put the result:
1,2
1,3
1,4
2,3
2,4
3,4
1,2,3
1,2,4
2,3,4
I want to answer in this article and another article is not in the sense explained in detail here in this article.