Open idle, type print, it will be highlighted in red, idle is written with tkinter.
You can view the files that went into making idle in your python folder \Lib\idlelib
https://stackoverflow.com/questions/3781...ext-widget
https://stackoverflow.com/questions/3859...ext-widget
https://github.com/JamesStallings/pyro
You can view the files that went into making idle in your python folder \Lib\idlelib
https://stackoverflow.com/questions/3781...ext-widget
https://stackoverflow.com/questions/3859...ext-widget
https://github.com/JamesStallings/pyro