Add Kth lexicographic permutation (#1179)
Add Kth lexicographic permutation (#1179)

* Add Kth lexicographic permutation

Function that computes the kth lexicographic permtation of 0,1,2,...,n-1 in O(n^2) time

* Update kth_lexicographic_permutation.py

Addressed requested changes

TheAlgorithms/Python