Python remove() Function is a built-in method to remove elements from the set. remove() method takes exactly one argument.
Syntax
set.remove(element)
If the element passed to the remove() is present in the set then the element will be removed from the set. If the element passed to the remove() is not present in the set then KeyError Exception will be raised. The remove() method does not return any value.
Example 1:
Python3
numbers = {1,2,3,4,5,6,7,8,9} print(numbers) # Deleting 5 from the set numbers.remove(5) # printing the resultant set print(numbers) |
Output
{1, 2, 3, 4, 5, 6, 7, 8, 9}
{1, 2, 3, 4, 6, 7, 8, 9}
Example 2:
Python3
numbers = {1, 2, 3, 4, 5, 6, 7, 8, 9} print(numbers) # passing an element that is not in set # this will throw an KeyError exception try: numbers.remove(13) except Exception as e: print("KeyError Exception raised") print(e, "is not present in the set") # printing the resultant set print("\nresultant set : ", numbers) |
Output
{1, 2, 3, 4, 5, 6, 7, 8, 9}
KeyError Exception raised
13 is not present in the set
resultant set : {1, 2, 3, 4, 5, 6, 7, 8, 9}
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