Global Variable In Main Not Getting Recognised In Another Function In Python

code below creates a layout and displays some text in the layout. Next the layout is displayed on the console screen using raw display module from urwid library. However running th

Solution 1:

Writing global ui in main does nothing except make it so that main itself can write to a global variable called ui. If you want to write to that global variable from other functions (like your __init__), you need to include a global declaration there too. Every function where you want to assign to a global variable has to have its own global declaration.

Solution 2:

okay, thanks to people for various suggestions that helped me learn about the global scoping. I followed the answer by Jeff Shannon here : Using global variables in a function other than the one that created them seem to be able to get rid of the name scoping error caused by using global ui. here is what i did i used ui=urwid.raw_display.Screen() right after the imports and then declared global ui in the functions that used it. But now I get a different kind of error. Think it best to start a new question with the error now obtained.