Question

How to add values to an empty list of sets in Python

Answer 1

lst = [set() for _ in range(5)]

lst[1].add(3)
lst[1].add(3)
lst[1].add(3)
lst[1].add(1)
lst[1].add(7)

lst[3].add(9)
lst[3].add(2)
lst[3].add(6)

print(lst)




'''
run:

[set(), {1, 3, 7}, set(), {9, 2, 6}, set()]

'''

 

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