Jupyter notebook

the modules in the created enviroment cannot be found in jupyter

there are 2 solutions as the following:
- register a new kernel based on the environment:
```
 $ source activate stock
 $ conda install ipykernel
 $ ipython kernel install --name stock
```
- install the jupyter notebook into the environment
```
 $ source activate stock
 $ conda install notebook
 $ jupyter notebook
```
how to get the source code of a python object

need to make use of the module:inspect

    $ import inspect
    $ inspect.getsourcelines(object)

for all the other functions in module:**inspect**, please refer to [inspect](https://docs.python.org/3/library/inspect.html)

reference