Combining two dicts into a list
<p>I have two dictionaries,i want to combine these two int a list in the format keys-->values,keys-->values... remove any None or ['']</p>

<p>currently I have the below where I can combine the dicts but not create a combined lists...i have the expecte output..
any inputs appreeciated</p>

<pre><code>dict1={'313115': ['313113'], '311957': None}
dict2={'253036': [''], '305403': [], '12345': ['']}

dict = dict(dict1.items() + dict2.items())
print dict

{'313115': ['313113'], '311957': None, '253036': [''], '12345': [''], '305403': []}

EXPECTED OUTPUT:
['313115','313113','311957','253036','305403','12345']
</code></pre>
