Why is the size of a set bigger than that of a dict?
s = set()
d = {}
for i in range(20):
s.add(i)
d[i] = 1
print(f'{i+1}:', s.__sizeof__(), d.__sizeof__())
Output:
...
17: 712 624
18: 712 624
19: 2248 624
20: 2248 624
The 19th result confuses me.