cs_courses = {'History','Math','Physics','CompSci'}
print(cs_courses)

'''
output:
Each time we run the program the output will be different
beacause set is unordered
=========== RESTART: /home/yasir/Python/DataStructure/Set/set_1.py ===========
{'History', 'CompSci', 'Math', 'Physics'}
>>> 
=========== RESTART: /home/yasir/Python/DataStructure/Set/set_1.py ===========
{'CompSci', 'Math', 'History', 'Physics'}
>>> 
=========== RESTART: /home/yasir/Python/DataStructure/Set/set_1.py ===========
{'CompSci', 'Physics', 'History', 'Math'}
>>> 
'''
