how to declare an empty set in python

1# Distinguish set and dictionary while creating empty set
2
3# initialize a with {}
4a = {}
5
6# check data type of a
7print(type(a))
8
9# initialize a with set()
10a = set()
11
12# check data type of a
13print(type(a))

1#Create a new empty set 
2x = set()
3print(x)
4#Create a non empty set
5n = set([0, 1, 2, 3, 4])
6print(n)
7
8