add ipython-cookbook

Tutorials/ipython-cookbook/.gitignore

Tutorials/ipython-cookbook/LICENSE

Tutorials/ipython-cookbook/README.md

Tutorials/ipython-cookbook/chapter01_basic/01_notebook.ipynb

Tutorials/ipython-cookbook/chapter01_basic/02_pandas.ipynb

Tutorials/ipython-cookbook/chapter01_basic/03_numpy.ipynb

Tutorials/ipython-cookbook/chapter01_basic/04_magic.ipynb

Tutorials/ipython-cookbook/chapter01_basic/05_config.ipynb

Tutorials/ipython-cookbook/chapter01_basic/06_kernel.ipynb

...ls/ipython-cookbook/chapter02_best_practices/01_py3.ipynb

.../ipython-cookbook/chapter02_best_practices/01_shell.ipynb

...ls/ipython-cookbook/chapter02_best_practices/02_py3.ipynb

...thon-cookbook/chapter02_best_practices/02_workflows.ipynb

...ls/ipython-cookbook/chapter02_best_practices/03_git.ipynb

...n-cookbook/chapter02_best_practices/04_git_advanced.ipynb

...s/ipython-cookbook/chapter02_best_practices/05_tips.ipynb

...thon-cookbook/chapter02_best_practices/05_workflows.ipynb

...n-cookbook/chapter02_best_practices/06_high_quality.ipynb

...s/ipython-cookbook/chapter02_best_practices/06_tips.ipynb

...n-cookbook/chapter02_best_practices/07_high_quality.ipynb