django模板渲染不了?

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django模板渲染不了?10

output_vars.py文件内容

from django.http import HttpResponse
from django.template import Template,Context

if __name__ == "__main__":
    print "Hello World";
def output(request):
    t=Template("My name is{{lastname}}{{firstname}}");
    c=Context({"firstname":"三","lastname":"张"});
    t.render(c);
    return HttpResponse(t);

urls.py内容

from django.conf.urls.defaults import *

urlpatterns = patterns('',
    (r'^outputvars/$','mysite.output_vars.output'),
)

在浏览器输入http://127.0.0.1:8000/outputvars/居然什么也不显示，网页源代码显示:

<Text Node: 'My name is'><Variable Node: lastname><Variable Node: firstname>

不知道怎么回事，是配置有问题，还是哪里写错了？刚刚学python.
问题补充
果然是这里错了，我看的不够仔细啊！谢谢小疯子！
呃，还有一个问题是我要把output_vars.py这个视图文件放到文件夹views中，那么需要改哪些东西，怎么改？
问题补充：
改成(r'^outputvars/$','mysite.views.output_vars.output')也不行，提示:
ViewDoesNotExist at /outputvars/
Could not import mysite.views.output_vars. Error was: No module named output_varsRequest Method: GET
Request URL: http://localhost:8000/outputvars/
Exception Type: ViewDoesNotExist
Exception Value: Could not import mysite.views.output_vars. Error was: No module named output_vars
Exception Location: D:\Python\Python2.6\lib\site-packages\django\core\urlresolvers.py in _get_callback, line 133
Python Executable: D:\Python\Python2.6\python.exe
Python Version: 2.6.0
Python Path: ['D:\\Python\\Python2.6\\webapps\\mysite', 'D:\\Python\\Python2.6\\python26.zip', 'D:\\Python\\Python2.6\\DLLs', 'D:\\Python\\Python2.6\\lib', 'D:\\Python\\Python2.6\\lib\\plat-win', 'D:\\Python\\Python2.6\\lib\\lib-tk', 'D:\\Python\\Python2.6', 'D:\\Python\\Python2.6\\lib\\site-packages']
Server time: Wed, 29 Jul 2009 10:10:55 +0800