1. Set
Use the set
method 12: self.scale.set(100)
2. Variable
Use the variable
option 34 to assign a Variable
567
self.scale_var = DoubleVar()self.scale_var.set(1)self.scale = tk.Scale(self.leftFrame, from_=0, to=256, orient=tk.HORIZONTAL, command=updateValue, variable=self.scale_var)