add() method for adding element to a set

add() method for set

All set methods

add(element) takes one arguments .

element : element to be added to set
Returns : No return value.

my_set={'Alex','Ronald','John'}
my_set.add('Lewis')
print(my_set)

Output is here

{'Ronald', 'John', 'Alex', 'Lewis'}

Adding duplicate value

my_set={'a','b','c','x'}
my_set.add('c')
print(my_set)

Output

{'a', 'x', 'c', 'b'}

There is no error if we try to add element already available but it will not add the element again as set can't have duplicate elements.

Difference between add() and update()

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