python中同时给多个变量赋值

a, b = 0, 1
assert a == 0
assert b == 1
···

从列表赋值
```python
(r,g,b) = ["Red","Green","Blue"]
assert r == "Red"
assert g == "Green"
assert b == "Blue"

(x,y) = (1,2)
assert x == 1
assert y == 2