During the holiday season, people often exchange gifts. A popular game played when exchanging gifts is Secret Santa. In this game, participants enter in their names and each person is randomly assigned another participant to buy a gift for. Write a python program that allows the user to enter names of their friends until they enter x. The program should output random Secret Santa assignments. Make sure a person doesnt end up buying a gift for themselves.

Sample input: Enter name (x to generate assignments): Usman

Enter name (x to generate assignments): Wahid

Enter name (x to generate assignments): Zain

Enter name (x to generate assignments): Jagraj

Enter name (x to generate assignments): x

Sample output: Usman gifts Zain

Zain gifts Wahid

Wahid gifts Jagraj

Jagraj gifts Usman