title: How to review the codes from .ipynb files in Mac OS ?
body: <p>I have some code to review and the files have extensions of <code>.ipynb</code> in the end. I install <code>IPython</code> using the command <code>sudo pip install ipython</code>. Now, when I type <code>ipython</code> in the terminal, I get the return <code>-bash: ipyhton: command not found</code>. </p>
  
  <p>What I could do now to review those files? Python is installed in the system. I read the I need to use the command <code>ipython notebook file_name.ipynb</code> to run those files from the terminal. </p>