pop and discard method in python code example

Example 1: remove an item from a set python

# it doesn't raise error if element doesn't exits in set

thisset = {1, 2,3}

thisset.discard(3)

print(thisset)

Example 2: delete and return element from set python

>>> s = set([1])
>>> print s.pop()
1
>>> print s
set([])
>>> print s.pop()
KeyError: pop from an empty set