from datetime import time,datetimeIn [11]: datetime.combine(datetime.now(),time(23, 59, 59))Out[11]: datetime.datetime(2012, 12, 20, 23, 59, 59)

This is similar to values() except that instead of returning dictionaries, it returns tuples when iterated over.In [1]: from blog.models import *In [2]: Blog.objects.values_list('name')Out[2]:

如何自学python比如遇到operator.and_，不知什么意思；打开python shellIn [9]: import operatorIn [10]: help(operator.and_)Help on built-in function and_ in module operator:and_(...) and_(a, b) -- Same as