Python中，并不是所有的函数都能导入？_老王的专栏

今天重新翻了一会《Head First Python》，第一个例子代码如下：

from datetime import datetime
odds = [1, 3, 5, 7, 9, 11, 13, 15, 17, 19,
        21, 23, 25, 27, 29, 31, 33, 35, 37, 39,
        41, 43, 45, 47, 49, 51, 53, 55, 57, 59 ]
right_this_minute = datetime.today().minute

if right_this_minute in odds:
    print("This minute seems a little odd.")
else:
    print("Not an odd minute.")from d