Python【and】和【or】返回值原理

and

• 从左到右，遇到False立即返回

In [1]: 0 and []
Out[1]: 0

In [2]: 0 and 'C'
Out[2]: 0

In [3]: 'C' and 2
Out[3]: 2

or

• 从左到右，遇到True立即返回

In [4]: 0 or []
Out[4]: []

In [5]: 0 or 2
Out[5]: 2

In [6]: 2 or 3
Out[6]: 2