a, b = 1, 2
1、常规
if a>b:
c=a
else:
c=b
2、表达式
c = a if a>b else b
3、二维表
c = [a,b][ab and [a] or [b])[0]
转自：http://www.open-open.com/lib/view/open1346511811678.htm
首先看看msdn上如何描述的：
Contains information that the GetOpenFileName and GetSaveFileName functions use to initialize an Open or Save As dialog box. After the user closes the dialog box, the sys
