y56/What's the difference between dict() and {}?

## What's the difference between dict() and {}?
https://stackoverflow.com/questions/664118/whats-the-difference-between-dict-and

>>> from timeit import timeit
>>> timeit("a = {'a': 1, 'b': 2}")
0.424...
>>> timeit("a = dict(a = 1, b = 2)")
0.889...
	https://stackoverflow.com/questions/664118/whats-the-difference-between-dict-and

	>>> from timeit import timeit
	>>> timeit("a = {'a': 1, 'b': 2}")
	0.424...
	>>> timeit("a = dict(a = 1, b = 2)")
	0.889...