Running Python from Atom

The script package does exactly what youre looking for: https://atom.io/packages/script

The packages documentation also contains the key mappings, which you can easily customize.

Download and Install package here: https://atom.io/packages/script

To execute the python command in atom use the below shortcuts:

For Windows/Linux, its SHIFT + Ctrl + B OR Ctrl + SHIFT + B

If youre on Mac, press ⌘ + I

To run the python file on mac.

Open the preferences in atom ide. To open the preferences press command + .
( ⌘ + , )
Click on the install in the preferences to install packages.
Search for package script and click on install
Now open the python file(with .py extension ) you want to run and press control + r (^ + r)