How to change a tkinter label with scale and how to save that new value for later?

[menator01]

A basic example of changing label text with a slider

import tkinter as tk

root = tk.Tk()

def show(event):
    value = slider.get()
    label.config(text=f'Speed: {value}')

label = tk.Label(root, text='Speed: 0', anchor='w')
label.pack(fill='x')

slider = tk.Scale(root, from_=0, to=100, orient='horizontal', command=show)
slider.pack()

root.mainloop()