when the installer is finished copying filesclick close to close the installer window open idle you can open idle in three steps open finder and click applications double-click the python folder double-click the idle icon idle opens python shell in new window the python shell is an interactive environment that allows you to type in python code and execute it immediately it' great way to get started with pythonnote while you're free to use code editor other than idle if you prefernote that some especially "finding and fixing code bugs,do contain material specific to idle the python shell window looks like this