update() method for set
update(set) takes one set arguments .
set : set to be added to main setWhile adding using update we can add iterable objects like string , list etc Returns : No return value.
my_set={'a','b','c','x'}
my_set2={'x','y','z'}
my_set.update(my_set2)
print(my_set){'z', 'a', 'x', 'y', 'b', 'c'}Adding a string
In python string is a iterable objectmy_set={'a','b','c','x'}
str='alex'
my_set.update(str)
print(my_set){'a', 'b', 'c', 'x', 'l', 'e'}Adding a list
More on listmy_set={'a','b','c','x'}
my_list=['x','y','z']
my_set.update(my_list)
print(my_set){'z', 'a', 'y', 'b', 'x', 'c'}Adding a tuple
More on tuplemy_set={'a','b','c','x'}
my_tuple=('x','y','z')
my_set.update(my_tuple)
print(my_set){'z', 'a', 'y', 'b', 'x', 'c'}Difference between add() and update()
By using add() method we can add one element only, by using update() we can add more elements.By using add() we can't add iterable objects , by using update we can add elements of iterable objects like list.
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