heyong.fu
9 lines
140 B
Python
9 lines
140 B
Python
a = [[1, 2], [3, 4]]
|
|
|
|
print([sum(dim) / len(dim) for dim in zip(*a)])
|
|
|
|
print(sum({3, 4}))
|
|
|
|
list_a = {i: [] for i in range(5)}
|
|
print(list_a)
|