Jupyter Lesson 7: Using Magic Commands

Magic Commands are powerful shortcuts exposed by the kernel that allow you to solve many common problems.

Read the magic documenation

1. Input the command %magic to view the documentation for magic commands.

List all available magic commands

1. Input the command %lsmagic to view all available magic commands.
2. Press shift + enter

Run External Code using the %run magic command

1. Create a python file outside of the Jupyter Notebook.
2. To run an external file input the command %run <python file name>
3. Press shift + enter

Measure the execution time of code using %timeit magic command

1. To measure a single line of code use %timeit magic command before the line of code you want to measure.
2. To measure multiple lines of code use the %%timeit magic command before the lines of code you want to measure.

To use the shell use the %system magic command

1. Use the %system magic command to use shell

• Jupyter Lesson 1: Installing the Jupyter Notebook
• Jupyter Lesson 2: Starting the Jupyter Notebook
• Jupyter Lesson 3: Create a working folder in the Jupyter Notebook
• Jupyter Lesson 4: Create a new Jupyter Notebook
• Jupyter Lesson 5: Working with MarkDown Cells
• Jupyter Lesson 6: Working with Code Cells
• Jupyter Lesson 7: Using Magic Commands
• Jupyter Lesson 8: Jupyter Notebook Keyboard Shortcuts
• Jupyter Lesson 9: How to Interrupt the Kernel (Stop code from running)
• Jupyter Lesson 10: How to reset the Kernel (Clear all in memory objects and stop the code)