adding elements to empty set

Question

How to add elements to empty sets in Python?

Answer 1

Adding elements to a Set:

Elements can be added to a set using two functions, the add() and the update() function.

The add() function adds one element to the existing set as shown below:

Example:

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My_Set={1,'s',7.8} My_Set.add(3) My_Set

Output: {1, 3, 7.8, ‘s’}

The update() function is used when you want to add more than one element to the existing set.

Example:

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My_Set={1,'s',7.8} My_Set.update([2,4.6,1,'r']) My_Set

Output:  {1, 2, 4.6, 7.8, ‘r’, ‘s’}

As you can see in the above output, the update() function is taking a list of 4 values and all values except 1 are added to My_Set. This is because 1 is already present in the set and therefore, it cannot be added again.