How to append and subtract values from a global or local var permanently and update its values without oop

I am trying to create a simple atm ui from if-else without using oop, I’m having a hard time figuring out how can I permanently add and subtract a value from my variable "bal" and show updated results, when I run it it does add and subtract when I "Withdraw" and "Deposit" but when i… Read More How to append and subtract values from a global or local var permanently and update its values without oop