Python Setup for Windows, Mac, and Linux 275Try Out Python
- Go to your Launchpad and click IDLE, or go to Finder 4
Applications, double-click the Python 3.4 folder, and double-
click IDLE to open the Python shell, as shown in Figure A-20.
Figure A-20: Open IDLE from Launchpad (left) or the Applications folder (right).
- The Python shell editor screen should appear. You’re ready to
try coding in the shell. Type print("Hello, Python!") and press
return; the Python shell should respond with Hello, Python!,
as shown in Figure A-21. Try an addition statement, like 2 + 3.
Press return, and Python will respond with the answer.
Figure A-21: Trying some commands in the Python shell- You may want to change the size of the text in the IDLE
window to make it easier to read on your computer. Go to
IDLE 4 Preferences.... Under Fonts/Tabs, change the Size
option to 20 , as shown in Figure A-22, or adjust it larger or
smaller until it’s easy to read. You can check the Bold checkbox
to make the text thicker if it helps. Customize the font to any-
thing that’s comfortable for your eyes.