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Python: Removing Items from Set

We can remove items from set by using following methods:

By using remove() method

Elements can be removed from a set by using built-in remove() function.

set_1 = set(['apple','banana','cherry','pineapple'])
print("Initial Set:",set_1)
print("Final Set:",set_1)


Initial Set: {'banana', 'apple', 'pineapple', 'cherry'}
Final Set: {'banana', 'apple'}

Note: If the element does not exist in the set then there will be a KeyError .To remove elements from a set without KeyError, use discard().

By using discard() method: 

It is used to remove elements from a set. It is also a built-in function. If the element doesn’t exist in the set, it remains unchanged.

set_1 = set(['apple','banana','cherry','pineapple'])

Output: {'banana', 'pineapple', 'cherry'}

By using clear method()

To remove all the elements from the set, clear() function is used.

set_1 = set(['apple','banana','cherry','pineapple'])

Output: set()

Submitted by devanshi.srivastava on June 20, 2021

Devanshi, is working as a Data Scientist with iVagus. She has expertise in Python, NumPy, Pandas and other data science technologies.


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