I want the information to be entered when I press a button with a red background

Question

I want the information to be entered when I press a button with a red background. / But it doesn\'t work. / How can I make it enter when the button background is red?

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Answer 1

if b0 == 'red': compares the button b0 to the string 'red'. If you think about it, it's clear that a button will never equal a string.

You probably want to get the current background color of the button. Since bg is a config option, you can use the cget method to read its current value:

if b0.cget('bg') == 'red':

By the way, if you'd want to change the bg config value on an already existing widget, you could use the config method: b0.config(bg='red'). For more info about configuration in Tkinter, see this page.

Note that for convenience, Tkinter widgets also implement a partial dictionary interface, so you can also use b0['bg'] to read or write the value.