IPython - Running and Editing Python Script

In this chapter, let us understand how to run and edit a Python script.

Run Command

You can use run command in the input prompt to run a Python script. The run command is actually line magic command and should actually be written as %run. However, the %automagic mode is always on by default, so you can omit this.

In [1]: run hello.py
Hello IPython

Edit Command

IPython also provides edit magic command. It invokes default editor of the operating system. You can open it through Windows Notepad editor and the script can be edited. Once you close it after saving its input, the output of modified script will be displayed.

In [2]: edit hello.py
Editing... done. Executing edited code...
Hello IPython
welcome to interactive computing

Note that hello.py initially contained only one statement and after editing one more statement was added. If no file name is given to edit command, a temporary file is created. Observe the following code that shows the same.

In [7]: edit
IPython will make a temporary file named:
C:\Users\acer\AppData\Local\Temp\ipython_edit_4aa4vx8f\ipython_edit_t7i6s_er.py
Editing... done. Executing edited code...
magic of IPython
Out[7]: 'print ("magic of IPython")'

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