Video code
from tkinter import *
def submit():
print(slider.get())
window = Tk()
window.title("My program")
window.geometry("350x200")
slider = Scale(window, from_=0, to=200, orient=HORIZONTAL)
slider.pack()
slider.set(100)
button = Button(window, text="Submit", command=submit)
button.pack(side=BOTTOM, fill =Y,)
window.mainloop()