repeat tkinter

[Robin]

How can I make a command within a tkinter application repeat itself
over and over in intervals of a certain time.
Thanks,
-Robin

 

[Peter Otten]

How can I make a command within a tkinter application repeat itself
over and over in intervals of a certain time.

.... global color
.... if color == "blue":
.... color = "red"
.... else:
.... color = "blue"
.... root["background"] = color
.... root.after(500, switch_color)
....