逻辑判断 ，运算

>>> print(9 or 2)
9
>>> print(6 or 2>1)
6
>>> print(0 or 5<4)
False
>>> print(2>1 or 6)
True
>>> print(3 and 2>1)
True
>>> print(0 and 3>1)
0
>>> print(0 and 3)
0
>>> print(2>1 and 3)
3
>>> print(3>1 and 0)
0
>>> print (6 or 2>1)
6
>>> print (3 or 2>1)
3
>>> print(0 or 5<4)
False
>>> print(5<4 or 3)
3
>>> print(2>1 and 3)
3
>>> print(3>1 and 0)
0


>>> print(3>1 and 2 or 2<3 and 3 and 4 or 3>2)
2