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set data structuer

Set has diffrence with list, in the set we don't have duplicate item and set doesn't support indexing.

python

numbers = [1,1,2,3,4]
first = set(numbers)
#print(first[0]) --> error : doesn't support indexing
print(numbers)
print(first)

Output

[1,1,2,3,4]
{1,2,3,4}

Set oprations

python

numbers = [1,1,2,3,4]
first = set(numbers)
second = {1,5}
print(first | second)
print(first & second)
print(first - second)
print(first ^ second)

Output

{1,2,3,4,5}
{1}
{2,3,4}
{2,3,4,5}