逻辑判断
>>> 1 or 2 1 >>> -1 or 3 -1 >>> 0 or -1 -1 >>> 0 or 100 100 >>> '' or 10 10 >>> 's' or 0 's' >>> 'a' or 'b' 'a' >>> 4 and 8 8 >>> 0 and 6 0 >>> -1 and 88 88 >>> '' and 7 '' >>> 's' and '' '' >>> '' and 0 '' >>> 6 or 2>1 6 >>> 2>1 True >>> 0 or 5<4 False>>> 1 or 2 1 >>> -1 or 3 -1 >>> 0 or -1 -1 >>> 0 or 100 100 >>> '' or 10 10 >>> 's' or 0 's' >>> 'a' or 'b' 'a' >>> 4 and 8 8 >>> 0 and 6 0 >>> -1 and 88 88 >>> '' and 7 '' >>> 's' and '' '' >>> '' and 0 '' >>> 6 or 2>1 6 >>> 2>1 True >>> 0 or 5<4 False