how to save variables in one notebook to be imported into another?

[kll]

Say, I have a list of values, dictionaries, variable names in `notebook1.ipynb` that I'd like to re-use / import in another `notebook2.ipynb`. 

For example, in `notebook1.ipynb`, I have the following: 

var1 = "dallas"

var_lst = [100, 200, 300, 400, 500]

How do I save this to disk and read / import in `notebook2.ipynb` ?  

[Krishnamatta]

You can use %run ./notebook2 after defining variables in notebook1

So notebook2 will use the variables defined in notebook1