🔒 I would like to change the selectedSAMPLE's value...

[nova bramble]

im at the stage of making sure the value of selectedSAMPLE changes from None to the sample I just made/clicked. I printed the variable for checking and I keep getting None no matter what I click.
Anyways, here's my code:
https://paste.pythondiscord.com/SFXA

[foggy wadi]

@nova bramble

Python help channel opened

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[pallid cipher]

When you do this: py def my_func(): x = 1 x is treated as a local variable, even if there's an x variable in the global scope

If you want to change the global x variable, you need to add a global declaration

def my_func():
    global x
    x = 1

[lethal cloud]

in general don't use global, it makes your code hard to read and debug, and causes all sorts of issues that are challenging to debug unless you have mastered python already and are capable of explaining in detail why global is ok in this specific instance.

[grave sphinx]

command = lambda x=selectedSAMPLE: select(x) is None, so every button will get None as the default argument. Even if/when you make changes to it later, it'll always be None.

[pallid cipher]

also that

[nova bramble]

so.... how do i fix this?

[nova bramble]

hello, im still not clear on how to fix this......

[grave sphinx]

As mentioned already, avoid unnecessary globals, and make sure your lambda is properly updating the buttons.

[nova bramble]

but.... i dont know how tho...

i want to make it update the variable and i dont know how to

[grave sphinx]

https://youtu.be/mop6g-c5HEY This is a long video, but a lot of it is making different apps. The first hour or so goes over all the basics, with variables... getting and setting widgets, passing arguments to lambda functions... all which you're stuck at right now.

[nova bramble]

does that work with customtkinter too?

[grave sphinx]

Yeah, ctk just wraps tk, with some improvements.

[pallid cipher]

the video does actually use customtkinter

[foggy wadi]

Python help channel closed for inactivity

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