```
In [54]: User
Out[54]: {0: {'uid': ' rpatil\n'}, 1: {}}

In [55]: User[0]
Out[55]: {'uid': ' rpatil\n'}

In [56]: User[1]
Out[56]: {}

In [57]: if User[1] == '':
   ....:     print 'Null'
   ....:

In [58]:

```

So how to check Value is Null in multi dict 

I've Tried Following Links but not work
[None value in python dictionary](https://stackoverflow.com/questions/12553938/none-value-in-python-dictionary)