python tkinter return value from function used in command

Question

how do i get the return value A to C? I am not using class by the way.

def button:
    mylabel = Label(myGui, text = \"hi\").grid(row = 0, column = 0)
    A          


        

Answer 1

it's easy just declare A a global.

def button:
global A
mylabel = Label(myGui, text = "hi").grid(row = 0, column = 0)
A = B.get()
return A

B = StringVar()`
C = ""
myentry = Entry(myGui, textvariable = B).grid(row = 1, column = 0)
Submit = Button(myGui, text = "Submit", command = button).grid(row = 1, column = 1)
# and then A is not empty
B= A