Tkinter Spinbox to select value from given list or range and how to set and get value with options

By using spinbox we can display a list or range of values where user can select by scrolling up or down the list.

4:34 on Change read and display value
9:50 state option to disable or normal or readonly
11:34 Methods to add by using insert and remove by using delete
14:00 Add more options by inserting to list connected to value option
15:50 Connecting Spinbox to Scale widget
18:35 More options to use

Spinbox can be used for selection of numbers (over a range ) or from a list of strings. We can connect String variables to Spinbox and set or get the value.
By using textvariable option to a String variable we can trigger the change event where any change in value of the spinbox can be read and data can be displayed in a label.
The state option can take value disabled, normal, readonly. The state option can be changed by using config() method also. Once the state is in readonly or disabled , then insert() method can’t be used.
We can use get(), insert() , index() , evoke(),delete() methods of Spinbox.
We can interlink spinbox with scale and both will reflect each other value on change of any one.
We can manage the list which is connected to values option of the Spinbox to manage the elements.

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