In [11]: False or True 
Out[11]: True 
 

python 中的三目运算符:

In [1]: 1==1 and '123' or '456'    
Out[1]: '123' 

魔幻的python语句:

In [6]: a = 1 if 1==2 else 2 
In [7]: a 
Out[7]: 2 
 
In [8]: a = 1 if 1==1 else 2 
In [9]: a 
Out[9]: 1