[Python] How do I use the result of a spinbox used in a function in another function? [closed]

I have a error message When I use command for spinbox. I want to use spinbox.get() but I cont. how I can fix this problem?

def load_frame2():
frame2 = Frame(windows, bg="gray")
frame2.grid(row=0, column=0)
spinbox = Spinbox(frame2, command=start)
spinbox.grid(row=0, column=0)

def start():
value = spinbox.get()
print(value)

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