not or and 的优先级是不同的

not or and 的优先级是不同的: not > and > or

 

请用最快速度说出答案: not 1 or 0 and 1 or 3 and 4 or 5 and 6 or 7 and 8 and 9

 

(not 1) or (0 and 1) or (3 and 4) or (5 and 6) or (7 and 8 and 9)
== 0 or 0 or 4 or 6 or 9 == 4

 

 

短路逻辑”: 3 and 4 == 4 ，而 3 or 4 == 3。